Answer
$y=-10$
$x=3$
Work Step by Step
We are given:
$-x+y=-13$
$3x-y=19$
Multiply both sides of the first equation by $3$
$-3x+3y=-39$
$3x-y=19$
________________
$2y=-20$
$y=-10$
Solve for $x$: $x=y+13=-10+13=3$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 6 - Systems of Equations and Inequalities - Chapter Review - Page 409: 13
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