Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.2 - The Multiplication Property of Equality - Exercise Set: 45

Answer

$x=4$

Work Step by Step

$-5x=-2x-12$ First add 2x to both sides. $-5x+2x=-12$ $-3x=-12$ Then divide both sides by -3. -3x$\div$(-3)=-12$\div$(-3) $x=4$ Check the answer. -5(4)=-2(4)-12 -20=-8-12 -20=-20
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