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: 50

Answer

$n=-71/12$

Work Step by Step

Recall, if terms are like terms, we can add or subtract these terms just like we add or subtract numbers. Thus, because 2/3 and 6 are like terms, we can add them to simplify the equation to $n+ 20/3=3/4$. We write the two fractions with common denominators to get that $n+80/12=9/12$. We subtract $80/12$ on both sides to get that $n=-71/12$.
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