Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 1 - Solving Linear Equations - 1.1-1.3 - Quiz - Page 26: 13

Answer

$q=\frac{5}{6}$.

Work Step by Step

The given equation is $\Rightarrow 2(8q-5)=4q$ Use distributive property. $\Rightarrow 16q-10=4q$ Add $10$ to both sides. $\Rightarrow 16q-10+10=4q+10$ Simplify. $\Rightarrow 16q=4q+10$ Subtract $4q$ from both sides. $\Rightarrow 16q-4q=4q+10-4q$ Simplify. $\Rightarrow 12q=10$ Divide both sides by $12$. $\Rightarrow \frac{12q}{12}=\frac{10}{12}$ Simplify. $\Rightarrow q=\frac{5}{6}$ Check :- $\Rightarrow 2(8(\frac{5}{6})-5)=4(\frac{5}{6})$ $\Rightarrow 2(\frac{20}{3}-5)=\frac{10}{3}$ $\Rightarrow 2(\frac{20}{3}-\frac{15}{3})=\frac{10}{3}$ $\Rightarrow 2(\frac{20-15}{3})=\frac{10}{3}$ $\Rightarrow 2(\frac{5}{3})=\frac{10}{3}$ $\Rightarrow \frac{10}{3}=\frac{10}{3}$ True. Hence, the solution is $q=\frac{5}{6}$.
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