Answer
$x=-9$.
Work Step by Step
After multiplying both sides by $12$: $x=-9$.
Check: $\frac{-9}{12}=\frac{-3}{4}$, thus it is a good solution.
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 6 - Algebra: Equations and Inequalities - 6.2 Linear Equations in One Variable and Proportions - Exercise Set 6.2 - Page 362: 65
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