College Algebra
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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
asked by Alyssa on April 5, 2011 
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
asked by M on January 20, 2015 
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
asked by Darryl on January 17, 2011 
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
asked by slomo on January 3, 2015 
Algebraic Systems
Okay i just wanna know what you think is the easiest between substitution and elimination/combination. I hate elimaination becuase i get confused quicker with this when actually solving it than in substitution, but it's actually
asked by <3Medic+Droid<3 on January 25, 2009 
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
asked by Beni on December 7, 2013 
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
asked by ann on July 26, 2007 
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
asked by Darryl on January 17, 2011 
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 +
asked by sandra on April 6, 2017 
math/ elimination& substitution
how do i solve this? using elimination or substitution? 2x3y=1/12 y=x+7/12
asked by Keyshia on May 16, 2013 
algebra 2 honors
Solve by substitution or elimination 1.) 6=3x6y 4x=4+5y 2.) r+x= 1 2r3s=6
asked by kianna on October 22, 2013