Algebra 1

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


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
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