Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix A - Exercise Set: 20


$x=-1$ $y=3$

Work Step by Step

First, times the first function by 2. And you get $10X+2Y=-4$, then you add two function together. You get $14X=-14$. $x=-1$ then you plug $x=-1$ into one of function. $Y=3$
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