Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.7 - Equations - Exercise Set - Page 105: 3

Answer

$x=7$

Work Step by Step

Subtract each term of the binomial to obtain: $11x-6x-(-5) = 40 \\11x-6x+5=40$ Combine like terms to obtain: $5x+5 = 40$ Subtract 5 on both sides pf the equation to obtain: $5x = 35$ Divide $5$ on both sides of the equation to obtain: $x=7$
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