Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - Cumulative Test Prep - Multiple Choice - Page 528: 2


I) $18$

Work Step by Step

Substitute $b$ in the first equation with the second $a+2=2a-16$ Subtract $2a$ and $-2$ from both sides $-a=-18$ Multiply the equation by $-1$ $a=18$
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