Answer
$-4$
Work Step by Step
$x + 7 = 3$
Subtract $7$ from each side to isolate $x.$
$x + 7 -7 = 3-7$
$x = -4$
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: 1
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