Answer
r=$\frac{70}{29}$
Work Step by Step
add 12 to both sides
simplify
divide both sides by 29
simplify
r=$\frac{70}{29}$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 6 - Section 6.1 - Equations - Exercises - Page 238: 55
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