Answer
$x=-13$
Work Step by Step
$- x -4=9$
Dividing through by negative one,to get $ x+4=-9$
Subtract $4$ on the L.H.S and R.H.S
$x+4-4=-9-4$
$x+0=-13$ By simplification
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: 4
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