Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-5 Solving Rational Equations - Practice and Problem-Solving Exercises - Page 683: 20



Work Step by Step

Given: $3(3+a)=\frac{6a}{3}+5$ $9+3a=\frac{6a}{3}+5$ $\implies (9+3a)3=6a+15$ $\implies 27+9a=6a+15$ $\implies 9a-6a=15-27$ or, $3a=-12$ $\implies a=-4$
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