Answer
$$m = 5$$
Work Step by Step
First subtract $4$ from both sides. That gives you $4.2m = 21$. Then divide both sides by 4.2 so you can get the variable alone. That give you the final answer of $m = 5$.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 3 - Solving Inequalities - Get Ready - Page 161: 15
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