Algebra 1: Common Core (15th Edition)

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


$y=-10$ $x=3$

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 $x$: $x=y+13=-10+13=3$
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