Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-5 Solving Inequalities - Practice and Problem-Solving Exercises: 78

Answer

$-20$

Work Step by Step

Distribute the $-3.1$, making the equation $0.4x+1.18=-6.2+0.031x$ Add $6.2$ to both sides, leaving you with $0.4x+7.38=0.031x$ Subtract $0.4x$ from both sides to get $7.38=-0.369x$ Divide both sides by $-0.369$ to get $\frac{7.38}{-0.369}=\frac{-0.369x}{-0.369} \\-20=x$
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