Answer
-9r
Work Step by Step
Because of the commutative property, ($\frac{3}{4}$r)(-12) = (-12)($\frac{3}{4}$)r
Simplify to -9r
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.2 - Real Numbers and Their Properties - R.2 Exercises - Page 18: 64
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