Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.1 - Solving First-Degree Equations - Problem Set 3.1: 72

Answer

$x=-12$

Work Step by Step

We start with the given equation: $-4.2x=50.4$. We divide by $-4.2$ on both sides of the equation in order to get $x$ by itself: $\frac{-4.2x}{-4.2}=\frac{50.4}{-4.2}$ We simplify the fractions by dividing: $x=-12$
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