Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.7 Solving Equations with Several Steps - 9.7 Exercises: 69

Answer

$x = -10$

Work Step by Step

$30 - 40 = -2x + 7x - 4x$ $-10 = -6x + 7x$ $-10 = x$ $x = -10$
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