Answer
$m=-7$
Work Step by Step
We are given the equation $-1.2m=8.4$. In order to solve, we must divide both sides by -9.
$\frac{-1.2\times m}{-1.2}=\frac{8.4}{-1.2}=-7$
Therefore, $m=-7$.
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 9 - Basic Algebra - 9.6 Solving Equations - 9.6 Exercises - Page 672: 51
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