Answer
$z=1$
Work Step by Step
$10+5(z-2)=4z+1$ $\longrightarrow$ distributive property
$10+5z-10=4+1$ $\longrightarrow$ simplify
$5z=5$ $\longrightarrow$multiplication property
$5z\div5=5\div5$ $\longrightarrow$simplify
$z=1$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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 189: 61
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