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 - 1.5 - Rewriting Equations and Formulas - Exercises - Page 40: 6

Answer

$y=3-4x$.

Work Step by Step

The given equation is $\Rightarrow 20x+5y=15$ Subtract $20x$ from each side. $\Rightarrow 20x+5y-20x=15-20x$ Simplify. $\Rightarrow 5y=15-20x$ Divide each side by $5$. $\Rightarrow \frac{5y}{5}=\frac{15-20x}{5}$ Simplify. $\Rightarrow y=3-4x$ Hence, the rewritten literal equation is $y=3-4x$.
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