# Okay .. Im working on Linear Equations and am VERY confused can someone help me solve this equation? (Remember its : Linear Equation) y=3x+4 Ok Gabby, this is a line with slope 3 and y intercept 4. Have you seen

44,472 results
1. ## Math

Lesson 8: Systems of Linear and Quadratic Equations Check my work 1. Solve the system of equations. y = 2x^2 - 3 y = 3x - 1 a. no solution b. (-1/2, 5), (2, -5/2) c. (-1/2, -5/2), (2,5)*** d. (1/2, 5/2), (2, 5) 2.how many real number solutions does the

2. ## Math

Solve these simultaneous linear equations using elimination method : 3a = 2b + 1 and 3b = 5a - 3

3. ## Algebra

What are 3 ways to solve system of linear equations in two variables?

4. ## Algebra I DONT KNOW HOW TO DO 3 VARIABLES

Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x - 3y + 5z =3 (2) 3x - 2y + 5z=1 (3) my teacher gave me the answer she said the solution set

5. ## Math

Use linear combinations to solve the system of linear equations. 5x=4y-30 2x+3y+-12

6. ## MAT 116 Algebera 1A

What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance when a linear equation is not a function? Support your answer. Create an equation of a nonlinear

7. ## Math, Algebra, Graphing Systems of Linear Equation

I'm confused about graphing or solving the linear equations for slope/intercept. Here is what I solved: 3x+2y=-6 X-4y=-16 2y= -3x-6 -4y=1x-16 Y=-3/2+3 Y=+1/4+4 ------------- My answer for graphing the systems for the lines to intersect...well, they didn't

I am lost, and I bet it is simple, but I have been working with many problems and I keep coming back to this and I grow increasingly confused. How do I begin to solve this problem? In 1993 the life expectancy of males in a certain country was 71.7 years.

9. ## Xuha's Guideline Center (maths)

Solve graphically the following simultaneous linear Equations X-Y/3=2 X-5y=0

10. ## Maths

Solve Graphically the following simultaneous linear equations 5x+7y=13 7x+6y=3

11. ## algebra

solve the system of linear equations by graphing y=3/5x y=-1/5x-4 I need helping it.

12. ## Graphing Linear Equations! Quiz! HELP ASAP

I just need many examples and tips on how you solve, find, graph, and answer linear equations. I'm so confused!

13. ## Algebra

What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance when a linear equation is not a function? Support your answer. Create an equation of a linear

14. ## Math

Working with linear equations: 3(2x+1) - 4 (x+2) = 9

15. ## math-linear equations

Its a story problem: The flying W Ranch raises only cows and horses. There are total 340 animals. The owner prefers horses to cows, so he has 52 more horses than cows. a. Write two different linear equations to model this situation. b. Solve the system of

16. ## Algebra

You are going to write a fairy tale! Your story should include all of the standard elements of fairy tales. Begins “Once upon a time … ” Animals can act like humans. Involves magical items or helpers. Ends “ … happily ever after.” Your story

17. ## math

What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance when a linear equation is not a function? Support your answer. Create an equation of a nonlinear

18. ## pre algebra

How do you solve linear equations like -4x-5y-5 and or -5y-25=-x

19. ## maths

simultaneous equations x + 2y = 4 3x - 4y = 7 x=3 and y = 1/2 i need to explain how i got this answer and do not know how to do that? i am confused about how you got this answer what working out is it the object in "elimination" is to get the coefficients

20. ## math

solve the system of linear equations 2x+2y=1 3x-y=6 thanks

21. ## Math

Al can paint a room in a hours working alone. Bill can paint a room in b hours working alone. Working alone, Bill takes tow more hours to paint a room than Al. Working together, they can paint a room in 8 hours. Write down a system of two equations

22. ## math

please anwer these: 1) how can i multiply and divide polynomials containing radicals? 2) how can i solve radical equations? 3) how can i solve qudratic equations by factoring ? 4) how can i solve quadratic equations graphically ? thank you !!!!!

23. ## Algebra

Find the number of the solutions to each system. a. 4x-y+1=0 4x-y+3=0 b. 2x-y+4=0 4x-2y+8=0 Write a question that can be solved using a system of linear equations. Solve the following system of equations by graphing: y=x+3 and y=-2x-3

24. ## algebra

Can anyone help me to understand algebra? Right now I am working on Systems of Linear Equations in Two Variables and I do not understand any of it. Thank you.

25. ## Math

Solve the following system of equations by graphing. If the system is inconsistent or the equations are dependent, say so 5x-2y=3 10x-4y=6 I know the equations are dependent but I am confused on what is the solution set I'm thinking its (10x-4y=6) but I'm

26. ## Algebra

Solve graphically the system of linear equations: x+y=0 −3x+4y=14

27. ## Math

Okay .. Im working on Linear Equations and am VERY confused can someone help me solve this equation? (Remember its : Linear Equation) y=3x+4 Ok Gabby, this is a line with slope 3 and y intercept 4. Have you seen how to graph lines yet? (Incidentally, we

28. ## math

actually, in a addition to the question i posted a few minutes ago, can someone please help me with a few actual specific questions? thanks so much i'm very confused and i've been working on these all day. *Literal Equations* ~solve for x ax + bx = 8ab

29. ## Math

Use back substitution to solve the system of linear equations x-2y+z=8 y+z=5 z=2 **I tried to solve it eventho im still confused/lost. 1=3 idk ugh

30. ## algebra

1 Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for a 2 4 7 3 2 Solve the set of linear equations by Guassian elimination method : a+2b+3c=5, 3a-b+2c=8, 4a-6b-4c=-2. Find a 1 4 5 -1 3 Solve the set of

31. ## Algebra

Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x - 3y + 5z =3 (2) 3x - 2y + 5z=1 (3) my teacher gave me the answer she said the solution set

32. ## science

1 What is a set of real or complex numbers or elements arranged in rows or columns to form a rectangular array. set matrix determinant real numbers 2 If A.x= λx ,where A= ∣∣∣∣211232−212∣∣∣∣ ,determine the eigen values of the matrix A,

33. ## Algebra

What similarities and differences do you see between functions and linear equations? Are all linear equations functions? Is there an instance when a linear equation is not a function? Support your answer. Create an equation of a nonlinear function and

34. ## Algebra HELP

USE LINEAR COMBINATIONS TO SOLVE THE SYSTEM OF LINEAR EQUATIONS (please show steps) 1) -X+8Y=16 2) 4X+5Y=-2 3)4Y=15-3X 3X+4Y=36 5X-4Y=-23 2Y=3X+21

35. ## Algebra

Solve this system of linear equations. * Used the substitution method 3x - y = 8 4x - y = -15 ----------------------------------------- WORK y = 3x - 8 4x - (3x - 8 ) = -15 4x - 3x + 8 = -15 x + 8 = -15 x = -7 3x - y = 8 3(-7) - y = 8 -21 - y = 8 -y = 29 y

36. ## math

i only need help on these two: *2/3y=10+4x 5x=1/3y-8 *5x=4y-30 2x+3y=-12 DIRECTIONS:use linear combinations to solve the system of linear equations.. thanks :)

37. ## Math

I am working on linear equations. Is this answer correct? -27=8x-5x -27=8x+ -5x -27=3x -27/3=3x/3 -9=x

38. ## Math

use linear combinations to solve the system of linear equations. 2x+y=4 x-y=2

39. ## math

PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *5x=4y-30 2x=3y=-12 *2/3y=10+4x 5x=1/3y-8 use linear combinations to solve the system of linear equations thank you!!!

40. ## math

PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *5x=4y-30 2x=3y=-12 *2/3y=10+4x 5x=1/3y-8 use linear combinations to solve the system of linear equations thank you!!!

41. ## math and desperate

What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is their an instance when a linear equation is not a function support your answer. Im not good at math please help.

42. ## Maths

Solve the following system of linear equations by addition. Indicate whether the given system of linear equations is consistent, inconsistent, or dependent. If the system is consistent, find the solution. {−7x + 7y −9x + 9y == −21 −27

43. ## Algebra

What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3 {y - x = 2 So confused about how to do this any help is appreciated.

44. ## Math

When dealing with linear equations, what does consistent, inconsistent, dependent, and independent mean? I'm so confused!

45. ## algebra

I'm working on solving linear systems by substitution, here are the equations: 4x+3=y and x=y-2 what is the sollution? and please show me the steps! thanks!

46. ## Precalculus 11

I have kind of a general question... I'm working on a unit about solving systems of equations & I just feel like I've lost the general concept a little bit. When something says, "use your graphing calculator to solve the following systems of equations."

47. ## bobpursly & countiblis,math

I thought that we can solve anything with equations is it always polynomials. Isn't this the same thing as finding the unknown for an equation. As i said in my previous message or am i wrong. Also what about the rational expressions what are some

48. ## Discrete Math

True or False? Homogeneous linear recurrence equations are linear combinations of power functions. I think the answer is false because although a homogeneous linear recurrence equation is a linear combination, it is composed of constant coefficients.

49. ## algebra

I have 3 questions in 1. State whether the equations 3x^2=5, y=10^3X, and y=2x=23-14x represent a linear, quadratic or exponential function and why? I am confused on this.

50. ## Algebra

What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is there an instance when a linear equation is not a function?

51. ## algebra

What are the similarities and differences between functions and linear equations? Are all linear equations functions? Is their a time when a linear equation is not a function? and why.

52. ## math

Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Solve for a

53. ## Math

Solve the set of linear equations by the matrix method. a+3b+2c= 3, 2a-b-3c= -8, 5a+2b+c=9, solve for a

54. ## maths

Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Solve for a

55. ## Math, Algebra, Graphing Systems of Linear Equation

I'm confused about graphing or solving the linear equations for slope/intercept. Here is what I solved: 3x+2y=-6 X-4y=-16 2y= -3x-6 -4y=1x-16 Y=-3/2+3 Y=+1/4+4 ------------- My answer for graphing the systems for the lines to intersect...well, they didn't

56. ## 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?

57. ## math linear equation

Solve the linear equations by the matrix method:a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9.solve for a:b:c

58. ## MAT101

Why is it important to understand linear equations in business? What are some examples of how the concept of linear equations are used.

Please help me! I don't understand how to solve. Solve each equation for the given variable. 37. x/a - 1 = y/b for x 39. V = 1/3 * pi * r^2 * h for h What do these equations mean? I am super confused. Please help.

60. ## algebra2

solve the equation: First: x + 3y = 5 Second: 3x - y = 5 should i use substitution or add them? "First" + 3 times "Second" eliminates y: x + 3y + 3*(3x - y) = 5 + 3*5 ---> 10 x = 20 ----> x = 2 Inserting in "First" gives: 2 + 3 y = 5 ---> 3 y = 3 ----> y =

61. ## Algebra II

Right now we're doing systems of Linear Equations in Three Variables. It says to solve the following system: x - y + 3z = 4 x + 2y - z = -3 4x + 3y + 2z = -5 Whatever I try with this problem (and the others like it) it comes out wrong. I've had about one

62. ## Math

5x - 4y =-3 Y = -3x + 5 Solve for x and y How do we solve for x and y when the formats of the equations are different. That's we here I'm lost. When I try to get the answer I get confused

63. ## math

What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance in which a linear equation is not a function? Support your answer. Create an equation of a

64. ## Math

What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance in which a linear equation is not a function? Support your answer. Create an equation of a

65. ## Math 116

What similarities and differances do you see between functions and linear equations studied in Ch.3? are all linear equations functions? is there an instance when a linear equation is not a function? support your answer. create an equation of a nonlinear

66. ## Math

4x+3y=5 x-3y=5 solve by linear equations

67. ## discrete math

how do i solve linear equations? -4(k-2)+3(k+1) =7.

69. ## algebra

Solve the system of linear equations    x − 2y + 3z = 7 4x + 5y + z = −1 −x + y − 2z = −4 What is the value of z, y, and x?

70. ## Pre-Calc

Solve this system of linear equations. 5x+2y-7z=-13 9y+z=29 z=2 Is this -1, 3, 2?

71. ## math

easy way to solve linear equations

72. ## algebra 2

3x+y+z=14 -x+2y-3z=-9 5x-y+5z=30 linear equations solve by elimination

73. ## Chemistry

By means of ion/electron part equations, write fully balanced equations for the following reaction: the production of hydrogen by the action of hydrochloric acid on magnesium. I'm so confused as to why Cl, because it says hydrochloric acid, is not used as

74. ## math11

Solve the non linear equation x^2=3x+4 graphically using a calculator, Write the equations of the graphs you used to find the solution. I got this question wrong what would be my Y1= and Y2= equations. Not sure what I'm doing wrong but whenever I have an

75. ## math11

Solve the non linear equation x^2=3x+4 graphically using a calculator, Write the equations of the graphs you used to find the solution. I got this question wrong what would be my Y1= and Y2= equations. Not sure what I'm doing wrong but whenever I have an

76. ## math

What similarities and differences do you see between functions and linear equations, Are all linear equations functions? Is there an instance when a linear equation is not a function? Create an equation of a nonlinear function and provide two inputs to

77. ## Math

How do you solve each of these equations for the indicated value? I'm so confused on how to do it 1. a-b=-c, for a 2. 4y+6x=12, for y 3. y=1/2x-10, for x

78. ## Math

Im still confused on how to solve these equations for the indicated value. 1. a-b=-c, for a 2. y=1/2x-10, for x

79. ## maths

1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3.

80. ## maths

1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3.

81. ## maths

1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3.

82. ## Math

Solve the following quadratic-linear system of equations. y=-x^2-x-6 y=2x-2 A. (3, 6) and (–1, 2) B. (4, 6) and (–1, –4) C. (3, –6) and (2, 4) D. (–4, 3)

83. ## Math

Solve the system of equations using linear combination. a+c=9 8a+4.5c=58

84. ## Math

Solve the following simultaneous linear and quadratic equations x=y; 2x^2-y^=1

85. ## Maths

Solve Graphically the following simultaneous linear equations 2y-3x=12 x+6=y

86. ## math

Solve the following linear system of equations. 3x-2y+z=2 x-y+z=2 5x+10y-5Z=10

87. ## algebra

I do not know how to solve the following systems of linear equations in 3 variables 1) x-2y+z=7 2) 2x+y-3z=-1 3) x-4y+3z=13

88. ## Algebra 1

What are two symbolic techniques used to solve linear equations?

89. ## Algebra 1

What are two symbolic techniques used to solve linear equations?

90. ## Math

Solve the system of linear equations by substitution: 1.) y=2x+3 y=3x+5 2.) y=1/3x+2 y=1/6x+4

91. ## math

Solve this system of linear equations by graphing 2x-y=4 , 2x-y=6

92. ## Math

Are all linear equations functions. I'd say yes. Because both contain domain and range. But..not all are graphed linear. when is a linear equation not a function?

93. ## math 1324

a natural history museum borrowed \$2,000,000 at simple annual interest to purchase new exhibits. Some of the money was borowed at 7%, some at 8.5%, and some at 9.5%. Use a system of linear equations to determine how much was borrowed at each rate if the

94. ## Math

Solve the following systems of equations: -2x+y=1 -4x+y=-1 (3,1) (-1,3) (-1,-3) (1,3) Could someone please help. I'm confused on how to solve this. Thank you!

95. ## math

I'm a little confused on how to solve this system of equations. 5a=5 6b-3c=15 2a+7c=-5 Thanks

96. ## algebra

I need help, i have to solve the linear solution using substitution, the equations are 4x+3=y and x=y-2 Also, please show me how you did it if possible. Thanks!

97. ## maths

use the inverse method to solve the system of linear equations -x +3y+2=1 2x+5y=3 3x+y-2z=-2

98. ## alegebra 1

how do you Find the slope of graphs and linear equations??? like (3,5) and(2,-2) how do i solve that

99. ## Math

Solve the system of linear equations by elimination. Thank You for your help. 8x+10y=3 3x-5y=2

100. ## mathematics

use inverse method to solve the system of linear equations x+y+z-4 =0 2x-3y+4y-33=0 3x -2y -2z -2= 0