Answer
$x\leq-4$ OR $x\geq10$
Work Step by Step
$|x-3|\geq7\longrightarrow$ write a compound inequality
$x-3\leq-7$ OR $x-3\geq7\longrightarrow$ add 3 to each part
$x-3+3\leq-7+3$ OR $x-3+3\geq7+3\longrightarrow$ add
$x\leq-4$ OR $x\geq10$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 3 - Solving Inequalities - 3-8 Unions and Intersections of Sets - Mixed Review - Page 220: 54
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