Answer
$x=-1$ $y=3$
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. $Y=3$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix A - Exercise Set - Page 975: 20
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