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: 42

Answer

The solution is 15

Work Step by Step

-9 +20 =19x -4 - 18x Simplify both sides 11 = x -4 Add 4 to both sides 11+4=x-4+4 Simplify 15=x The solution is 15 Check -9 +20 =19x -4 - 18x -9+20 =19$\times$ 15- 4 - 18$\times$ 15 11 = 295 -4 -280 Simplify 11=11
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