Answer
x=-2
y=-2
Work Step by Step
Given: 2x+4y=-12 and -6x+5y=2
3(2x+4y=-12) => 6x+12y=-36
(6x+12y)+(-6x+5y)=-36+2
6x-6x+12y+5y=-34
17y=-34 => y=-2
2x+4(-2)=-12
2x-8=-12
2x=-4 (Add 8 to both sides)
x=-2
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 6 - Systems of Equations and Inequalities - 6-4 Application of Linear Systems - Mixed Review - Page 388: 33
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