Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-4 Solving Multi-Step Inequalities - Practice and Problem-Solving Exercises - Page 191: 48

Answer

$-5x+3\lt-48$ $-5x+3\gt23$

Work Step by Step

$-5x+3\lt-42$ Subtract 3 from both sides: $-5x+3-3\lt-42-3$ Simplify: $-5x\lt-45$ Divide both sides by -5 (reverse the sign): $\frac{-5x}{-5}\lt\frac{-45}{-5}$ Simplify: $x\gt9$ $-5x+3\gt23$ Subtract 3 from both sides: $-5x+3-3\gt23-3$ Simplify: $-5x\gt20$ Divide both sides by -5 (reverse the sign): $\frac{-5x}{-5}\gt\frac{20}{-5}$ Simplify: $x\lt-4$
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