Answer
$x=8$
Work Step by Step
We are given:
$2x-9=7$
Add 9 to both sides:
$2x-9+(9)=7+(9)$
$2x=16$
Divide both sides by two:
$\frac{2x}{2}=\frac{16}{2}$
$x=8$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 2 - Solving Equations - 2-2 Solving Two-Step Equations - Lesson Check - Page 91: 7
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