#### 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 $m = 5$.

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Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

$$m = 5$$

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