Prealgebra (7th Edition)

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

Chapter 5 - Review: 83

Answer

$x\approx1.43$

Work Step by Step

$-13x-9.4=-0.4x+8.6\rightarrow$ add 0.4x and 9.4 to each side $-13x-9.4+0.4x+9.4=-0.4x+8.6+0.4x+9.4\rightarrow$ simplify $-12.6x=18\rightarrow$ divide both sides by -12.6 $-12.6x\div-12.6=18\div-12.6\rightarrow$ simplify $x\approx1.43$
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