Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Review Exercises: 61

Answer

$5$

Work Step by Step

DIstribute $7$ to obtain: $7x-28=x+2$ Subtract $x$ on both sides of the equation to obtain: $6x-28=2$ Add $28$ on both sides of the equation to obtain: $6x = 30$ Divide by 6 on both sides of the equation to obtain: $x=\frac{30}{6} \\x=5$ Check: $7(5-4) =5+2 \\7(1)=7 \\7=7$
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