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: 20

Answer

$x=3$

Work Step by Step

$2x+9=5x$ $\longrightarrow$addition property of equality $2x+9-2x=5x-2x$ $\longrightarrow$combine like terms $9=3x$ $\longrightarrow$multiplication property of equality $9\div3=3x\div3$ $\longrightarrow$simplify $3=x$
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