Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 189: 51


The solution is -1

Work Step by Step

9-3x=14+2x Subtract 9 from both sides 9-3x-9=14+2x-9 Simplify -3x= 5+2x Subtract 2x from both sides -3x -2x= 5+2x -2x Simplify -5x=5 Divide by -5 both sides $\frac{-5x}{-5}$=$\frac{5}{-5}$ x=-1 The solution is -1 Check 9-3x=14+2x 9-3(-1)=14+2(-1) 9+3=14-2 12=12
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