Please help Im am Grade 5 and my teacher is letting me do this. 1. Solve the solution by using elimination and substitution 3/x  2/y = 14 6/x + 3/y = 7 2. Solve by eliminating x (this is
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Algebra SOLVING LINEAR EQUATIONS AND INEQUALITIES
Please help Im am Grade 5 and my teacher is letting me do this. 1. Solve the solution by using elimination and substitution 3/x  2/y = 14 6/x + 3/y = 7 2. Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) ... 
algebra
i need help with these problems (either a solution or how to plug them into a graphing calculator): 1) Solve by substitution or elimination 4/x + 1/y + 2/z = 4 2/x + 3/y  1/z = 1 1/x + 1/y + 1/z = 4 2)Solve the system of equations by substitution. x^2 + y^2 = 25 x  y = 7 3) ... 
HELP!
The problem using elimination/substitution methods what is the solution set to 3x 2y =4 and 5x=2y the choices a)(2,5) b)(2,5) c)(2,5) d)(2,5) Please, Please, Please, HELP! 3x2y=4 5x +2y=0 add the equations, solve for x. That makes it a or c. Put that answer in the ... 
Math
x=y+3 5xy=2 Solve using Elimination I already solved the equation using Substitution, Graphing, and a table I just need a little more help on Elimination. I know that in Elimination they have to be in the same form so I put it in slope intercept which would be y=x+3 and y=... 
math/ elimination& substitution
how do i solve this? using elimination or substitution? 2x3y=1/12 y=x+7/12 
Algebra 1
bobpursey, In this problem you helped me with earlier: Solve using any appropriate method. y = 2×  5, y = ½× + 1 Substitution, substitute for y. 2×5=½ × + 1 3/2 x=6 x=4 y= 2*45=3 How did you choose which method you were going to use between substitution and ... 
Math
Can you please check my work since my professor wont. Thanks 50% of 45 solution=90 Predict the height of a woman who's humerus is 40 cm long using H(x)=2.75x+71.48 solution= 181.48cm Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at... 
Help please math
Solve using substitution. y = x – 2 x + y = 10 7x + 2y =  8 8y = 4x Solve using elimination. 2x + 3y = 12 2x – y = 4 5x – 2y =  19 2x + 3y = 0 
algebra
I just need a quick check before I hand in my work if you would...Thanks. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs to graph (3, 1), (6, 4)…Is this correct? 2. Multiply 2/1*(6/... 
HELP!
The problem using elimination/substitution methods what is the solution set to 3x 2y =4 and 5x=2y the choices a)(2,5) b)(2,5) c)(2,5) d)(2,5) Please, Please, Please, HELP! Between a and c I believe it is c is that correct? Yes. 
HELP PLEASE
Solve the system of equations using matrices. Use Gaussian elimination with back substitution. x+y+z = 5 xy+3z = 1 4x+y+z = 2 
Algebra Multiple Choice
Hello, This is the last of questions I have for my practice assignment. Again I will put what I got. Thanks for your help. 1.) Solve the system using substitution. Write answer as an ordered pair. 4x+2y=8 5x2=y A.) First equation (2,8) B.) Second equation (2,8) I put A 2... 
Math
Solve by either graphing and then get an exact solution by using either substitution or elimination: x3y=6 2x+y=2 
M240 Help please
Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or GaussJordan elimination. a. 3x1 + 5x2  8x3 + 5x4 = 8 b. x1 + 2x2  3x3 + x4 = 7 c. 2x1 + 3x2  7x3 + 3x4 = 11 d. 4x1 + 8x2  10x3+ 7x4 = 10 my answer = B 
Algebra
Solve: 3x2y=10 2x+3y=2 Graph: Substitution: Elimination: Show Your work! (I can'tfigure out how to graph it and when i used substitution and elimination it came out with two different anwsers. I got (13/3.5,19/10.5) for substitution, and ((0.2,0.8) for Elimination.I need ... 
algebra 1
Got a test tomorrow... Say you have a system of equations (linear), that you can solve using substitution, graphing, or elimination. Without solving the equations, can you tell if there is one solution, many solutions, or no solution? 
algebra HELP PLEEEEASE
Solve the following system using elimination or substitution. show your work. y = x^2  2x  6 y = 4x + 10 Please explain how to do this and the answer! THANKS! 
Algebra
Can someone please help solve this? Solve by using addition or substitution or addition. 10x+2y=7 y=5x+3 the answer my got was x=11/10 y=2 My teacher said that was wrong. Never mind this post I found out how to solve it. Try substitution. 10 x + 2(5x +3) = 7 That leads to 6... 
Algebra
Solve by substitution or elimination method: 4x – 5y = 14 12x + 15y = 42 when i try this solution i end up cancelling out the whole problem. can someone please help me! 
Linear Equations
Can you please help solve this equation using the substitution method? I have tried and keep getting that X and Y = 7/2, but the answer in the book states no solution, inconsistent system. What am I doing wrong? Please help! Solve the systems of equations by the substitution ... 
Algebra
solve the linear system using substitution 4x  y=5 4x + 4y= 4 Also by using elimination. 
MATH
Useing substitution/elimination method what is the solution set to 2x+y=1 x^2=y+2 a)(3,7) and (1,1) b)(3,7) and (1,1) c)(3,7) and (1,1) d)(3,7) and (1,1) I've really no educated guess so PLEASE HELP! You can make an educated guess by substituting the various (x,y) ... 
College Algebra
Solve using Elimination or Substitution: 4x^2+9y^2=36 x+3y=3 
maths
solve using substitution& elimination method 2x/5+3y/4=5;3x/10+5y/8=8 
math
how would I solve this using ELIMINATION not substitution 2x+3y=1 4x+y=3 
math
Can someone please check my work? Solve using substitution method 1. 3x+2y=12 x=526y answer:40.8 I am pretty sure that one is wrong. Solve using elimination method 2. 2r7s=31 7r+2s=24 answer: (230/53,468/53) 3.3x+4y=3 6x+8y=6 answer: No answer. problems eliminate eachother 
Algebra PLEASE HELP!!
What advantages does the method of substitution have over graphing for solving systems of equations? Choose the correct answer below. A. Graphing cannot be used to solve dependent or inconsistent systems due to the nature of the lines involved. Substitution can solve these. B... 
math
how do i solve this linear system using substitution or elimination 16x+2y= 2 y=8x1 
Geometry
Can someone teach me how to solve this equation using substitution or elimination for {3x+2y=23 {5x+2y=17 
Math
Solve using substitution 3x  9y = 3 6x  3y = 24 Solve using elimination y  1/2x = 6 2x + 6y = 19 
Math help
Solve using substitution 3x  9y = 3 6x  3y = 24 Solve using elimination y  1/2x = 6 2x + 6y = 19 
Algebra 2
Solve each question algebraically: either using the elimination or the substitution method. 3x1/2y=5 1/3x+1/4y=3 
Algebra
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs to graph (3, 1), (6, 4)…Is this correct... 
algebra
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs to graph (3, 1), (6, 4)…Is this correct... 
Algebra/math
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs to graph (3, 1), (6, 4)…Is this correct... 
Math/Check
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs to graph (3, 1), (6, 4)…Is this correct... 
Algebra/no response yesterday
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs to graph (3, 1), (6, 4)…Is this correct... 
Math Homework
Hello! I need help with these math questions, thanks! :) 1.) Solve the system by substitution. 5x + 2y = 17 x = 3y 2.) Solve the system by substitution. x/3 + y = 4/3 x + 2y = 11 3.) Solve the system by elimination. 2x  3y = 0 2x + 6y = 3 4.) Solve the system by elimination... 
PreCalculus
Solve the system of equations using matrices. Use Gaussian elimination with backsubstitution. x + y + z = 5 x  y + 3z = 1 4x + y + z = 2 I really need help.. 1 1 1 5 1 1 3 1 4 1 1 1 2 I've done so many different methods to solve this and I get stuck.. 
Algebra
3. What would be the simplest way to solve the system? y=1/2x 2x + 3y = 28 A. Graphing B. Substitution***** MY ANSWER! C. Elimination D. Distributive 4. What is the solution of the system? y=3x 2x + 3y = 6 A. (2,6) B. (1,3) C. (2,6)*****MY ANSWER! D. (1.5, 4.5) Please help... 
algebra2
solve the systems of equation: First : 4x2y = 2 Second: y = 4x7 Should i solve by using substitution, elimination or multiply then use elimination? Try adding them. Add up the left sides and the right sides (after rearranging the second equation) the x term will drop out, ... 
MAT 101
Solve for X and Y in the following problems using either substitution or elimination methods. 2X + 5Y = 19 , 3X + 3Y = 15 4X + Y = 22 , 2X + 3Y = 16 12X + Y = 174 , 8X  2Y = 36 
pre  CALCULUS
Solve the system of equations using matrices. Use Gaussian elimination with back substitution. x+y+z = 5 xy+3z = 1 4x+y+z = 2 
precalc
Solve the system of equations using matrices. Use Gaussian elimination with back substitution. x+y+z = 5 xy+3z = 1 4x+y+z = 2 
precalc
Solve the system of equations using matrices. Use Gaussian elimination with back substitution. x+y+z = 5 xy+3z = 1 4x+y+z = 2 
Algebra 116
I need help with these algebra problems please. 1.Solve by using the substitution method. a. 8x  3y =61 7x + 68 = y What is the solution system _____? b. 4m + n =27 m  2n = 9 What is the solution system_______? c. 8x + 9y = 15 6x + y = 19 What is the solution System______... 
algebra 2
Nonlinear homework... Solve the system by elimination. 1)y=x^2+2 4xy=10 2) Solve the system using substitution. Y=3x^2+x2 Y=5x+3 
algebra 2
Nonlinear systems Solve the system by elimination. y=x^2+2 4xy=10 Solve the system using substitution. y=3x^2+x2 y=5x+3 
precalc  JAI
Solve the system of equations using matrices. Use Gaussian elimination with back substitution. x+y+z = 5 xy+3z = 1 4x+y+z = 2 
math
solve each system of equations by substitution. y=3x9 please help explain how to solve this using substitution. 
precalc
I'm terrible at pre calc, could someone tell me if the solution set for log subscript 2 x + log sub 2 (x1)=1 is the solution 1? Using either the elimination or substitution method is the solution set for 4x + y =11 and 2x y = 7 is the answer (3, 1)? Kudos! Yes. 
Algebra help needed please!!
I have a few questions I need help with! 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in terms of a parameter. 3x+yz=4 6x2y+2z=8 12x+4y4z=16 2. Solve the system by ... 
Algebra Multiple choice revised!! HELP
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in ... 
Math
Solve this Equasion x=2y 4x+y=12 using the substitution method. Please give solution 
Algebra
Solving system of linear equations by using the apropiate method name the method and the x,y coordinates 1)X=4y+8 2x8y=3 2)3x7y=6 elimination method 2x+7y=4 (2,0) 3)5x2y=12 elimination method 3x2y=2 (7,23/2) 4)9x8y=42 elimination method 4x+8y=16 (2,3) 5)X=4y+8 ... 
Algebra/Elimination method
Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. 27x  18y = 180 9x + 6y = 60 
College Algebra
Please help! x2y+z=7 2x+yz=0 3x+2y2z=2 a. Solve the above system of equations using Gaussian Elimination or GaussJordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule. 
Algebra 2/Math
Can you check these thanks. Solve the system by substitution or elimination. 2x+y=1 3xy=14 Answer: (3,5) x3y= 12 2x + 11y= 7 Answer: (39,17) 4x+2y=8 12x+6y=24 Answer: no solution 4x2y=5 2xy= 1 Answer: no solution 4a+3b =6 8ab= 9 Answer: no solution 
Math
Please help! x2y+z=7 2x+yz=0 3x+2y2z=2 a. Solve the above system of equations using Gaussian Elimination or GaussJordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule. 
math
hOW can I solve this by elimination? I know how to solve by substitution but not elimination 3x – 2y = 0 9x + 8y = 7 
MathAlgebra
Solve: 3x2y=10 2x+3y=2 Graph: Substitution: Elimination: Show Your work! (I can'tfigure out how to graph it and when i used substitution and elimination it came out with two different anwsers. I need help! and i need to be able to show my work!) 
math elimination method
elimination method really confuses me. solve by elimination method 5r 3s = 17 3r + 5s =17 A. solution is ______ (ordered pair, integer or fraction) B. Infinitely many C. No Solution 
Algebra
Solve using the appropriate method. Substitution or Elimination. y = 2x  5, y = 1/2x + 1 This morning I posted a question that Bosnian was kind enough to help me with but it was the wrong question that I was looking at. Sorry but I could really use some help I have been ... 
Substitution MethodPlz help
Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=4 (y+2) + y = 4 solve for y. Then, x= y+2 i don't get it.How did you get that?What does x equal? re read... 
math
can someone please help me with this elimination methods problem? 0.05x+0.25y=11 0.15x+0.05y=12 solve using the elimination method and give the ordered pair... 
math
(Systems) how do I solve 5x+3y=2 and x+2y=6 using substition This is what I did X+2y=6 eq.1 5x+3y=2 eq.2 X=3y/5 Sub(x=3y/5) into eq.1 3y/5 + 2y=6 7/5y=6 y=30/7 Sub(y=30/7) into eq.2 5x+3(30/7)=3 5x+90/7=3 5x=69/7 x= 68/35 The answer I got was (68/35, 30/7) but I know it'... 
Reiny please help!Algebra
I need help with these! I got B for 1. C for 2. and D for 3. Thanks for the help! 1.) Find the values of a, b, and c that will make the statement true. [5 a 2] [5 102] [3 4 –b] = [3 4 3] [2c 5 9] [2 5 9] a.) 8R1R2> =R2 b.) 8R1R2 > =R2 c.) –8R1 +R2 > =R2... 
algebra
I need help, i have to solve the linear solution using substitution, the equations are 4x+3=y and x=y2 Also, please show me how you did it if possible. Thanks! 
Algebra multiple choice!
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in ... 
math
Solve for x and y using elimination ax+by=c bx+ay=c This question has been confusing me for a long time, and I can't seem to find the answer by solving using elimination. Thanks for helping me :) 
math
Solve by elimination method. 2r5s=33 5r+2s=48 Solve by substitution method. 5x+6y=5 x9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it.. 
math
Solve by elimination method. 2r5s=33 5r+2s=48 Solve by substitution method. 5x+6y=5 x9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it.. 
algebra
Solve by elimination method. 2r5s=33 5r+2s=48 Solve by substitution method. 5x+6y=5 x9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it.. 
intermediate algebra
solve using the elimination method. show your work. if the system has no solution or an infinte number of solutions, state this. 14x+18y=54 4x14y=42 help me please 
Algebra
I have a few questions I need help with! 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in terms of a parameter. 3x+yz=4 6x2y+2z=8 12x+4y4z=16 2. Solve the system by ... 
Algebra II
How do you solve the linear equations x+y=5 3xy=3 by use of the Substitution Method? (Please do not confuse with the Elimination Method) 
Algebra help!
1.) Solve the system by triangularizing the augmented matrix and using back substitution. xy+z=1 xy4z=7 4x+y+z=6 2.) Perform the indicated row operation, then write the new matrix. 4 4  4 9 6  5 2R1+ R2 > R2 3.) Solve the system by triangularizing the augmented... 
Algebra
Solve using the elimination method.Show work.If the system has no solution or an infinite number of solution state ths...5x+4y=16,15x+2y=58 
Intermediate Algebra
Solve using the elimination method.Show work.If system has no solution state this or infinite solution 8x+10y=34 16x5y=43 
Math
solve using the substitution method. If the system has no solution or infinite number of solution state this 4x+4y=36 4x+4y=12 
Math
Solve the system by substitution or elimination. x^2 + 2y^2 = 8 x^2  y^2 = 1 
algebra 2 honors
Solve by substitution or elimination 1.) 6=3x6y 4x=4+5y 2.) r+x= 1 2r3s=6 
algebra 2 honors
Solve by substitution or elimination 1.) 6=3x6y 4x=4+5y 2.) r+x= 1 2r3s=6 
Algebra 2
Solve system by substitution or elimination x+4y=13 2x+3y=6 
Math
17) solve this linear system using the method of substitution. 2yx=10 y= 3/2x1 20) simplify then solve by substitution 2(x4)+y=6 3x2(y3)=13 just need help with these 2. 
substitution and elimination methods
Can someone please help explain this, my notes aren't helping me much. Given the following system of linear equations: {x4y=20 3x+4y=12 The solution to the system is: The system is: The equation is: Please help 
math
Could someone please check my math questions? any help will be greatly appreciated! 4. Solve: 52x + 1  = 55 Divide both side by 5: 2x+1=11 2x+1=11 and 2x+1= 1 +1 +1 +1 +1 2x = 12 2x = 10 X=5 x=6 What my teacher said was wrong~~ 2x+1=11 and 2x+1= 11 YES, for both of ... 
algebra URGENT!
Solve the system using elimination. 2x – 2y = –8 x + 2y = –1 And this one: Solve the system using elimination. 3x – y = 28 3x + y = 14 Pleease help me :( 
math
use either substitution or elimination to solve 9x+5y=6 4x+3y=2 
MATHS
SOLVE X/2+2Y/3=1 AND XY/3=3USING SUBSTITUTION AND ELIMINATION METHOD 
algebra 1
Solve the system by either substitution or elimination 3x5y=21 2x+y=1 A (2,3) B (2,3) C (2,1) D (2,1) 
Algebra
How do you solve a system of equations by substitution and/or elimination? 
Algebra
How would you solve y=2x+3 and y=2x2 using elimination method. This is a no solution problem. 
College Algebra
Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for both variables. An orchard operator must dilute 11 quarts of a 60% insecticide solution by adding water. Hpw many quarts ... 
Math
Solve the system of equations using substitution, elimination by addition, or augmented matrix methods (your choice). Show work. 3𝑥 − 2𝑦 = 5 5𝑥 + 3𝑦 = 21 
Math (Algebra)
I sent my professor asked the pros and cons of each method, I answered with this; When graphing; pros are that graphing gives you a picture of what the solution is. Cons would be is that graphing is not always accurate and it is difficult to see the location of the points. (... 
math
use either substitution or elimination to solve 8x+15y=13 2x5y=1 
ntc
What is the solution using gauss jordan Elimination.. 2x4y+5z=10 6x+8y+3z=12 X7y9z=63 Pls.help me to solve this problem 
Algebra help!
Please help and I would appreciate an explanation as to how you got to the answer. 1.) Solve the system by triangularizing the augmented matrix and using back substitution. 0.09x0.15y+0.39 0.18x+0.35y=0.88 2.) Solve the system by triangularizing the augmented matrix and ... 
Elimination Method Help
solve by the elimination method 5x+5y= 7 7x3y=19 The solution is (___,___) Please help I am lost on how to work and complete this one.