Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-3 Solving Multi-Step Equations - Practice and Problem-Solving Exercises: 53

Answer

$a=20/3$

Work Step by Step

We start by creating a common denominator for all of the fractions: $\frac{3a}{60}+\frac{16}{60}=\frac{36}{60}$ We now can combine the denominators on the same side of the equation: $\frac{3a+16}{60}=\frac{36}{60}$ We then multiply both sides by 60 to find: $3a+16=36$. We now subtract 16 on both sides and divide by 3 to find that $a=20/3$.
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