College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.1 - Linear Equations - 1.1 Assess Your Understanding: 23

Answer

$x=-1$

Work Step by Step

$6-x=2x+9$ $\longrightarrow$addition property of equality $6-x+x-9=2x+9+x-9$ $\longrightarrow$combine like terms $-3=3x$ $\longrightarrow$multiplication property of equality $-3\div3=3x\div3$ $\longrightarrow$simplify $-1=x$
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