Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 188: 19

Answer

$x=3$

Work Step by Step

$19x-2-7x=31+6x-15$ $\longrightarrow$ simplify $12x-2=16+6x$ $\longrightarrow$ addition property $12x-2+2-6x=16+6x+2-6x$ $\longrightarrow$ simplify $6x=18$ $\longrightarrow$ multiplication property $6x\div6=18\div6$ $\longrightarrow$ simplify $x=3$
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