Answer
$a=4$
Work Step by Step
$8x-8+3ax=5ax-2a$
Rearranging the terms, we have
$8x-8=5ax-3ax-2a$
$\implies 8x-8=2ax-2a$
Equating the coefficients of $x$ in both sides of the equation, we obtain
$8=2a$
$\implies a=\frac{8}{2}=4$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 1 - Solving Linear Equations - 1.3 - Solving Equations with Variables on Both Sides - Exercises - Page 24: 36
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