Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.1 - The Additon Property of Equality - Exercise Set: 22

Answer

x = -12

Work Step by Step

$\frac{1}{5}$x - 1 = $-\frac{4}{5}$x - 13 Add $\frac{4}{5}$x to both sides: $\frac{5}{5}$x - 1 = -13 x - 1 = -13 Add 1 to both sides: x = -12 Check with substitution: $\frac{1}{5}$(-12) - 1 = $-\frac{4}{5}$(-12) - 13 $\frac{-12}{5}$ - 1 = $\frac{48}{5}$ - 13 -1 = $\frac{60}{5}$ - 13 -1 = -1
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