#### Answer

r = 8

#### Work Step by Step

$\frac{r}{-4}$ = -2
$-\frac{1}{4}r$ = -2
Multiply each side by the reciprocal of the coefficient, -4:
$-4(-\frac{1}{4}r)$ = -2(-4)
r = 8

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

r = 8

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