Answer
-8$\leq$x$\leq$8 or [-8,8]
Work Step by Step
-3$\leq$$\frac{x}{2}$+1$\leq$5
Multiply all by 2 and drop denominator of 2
-6$\leq$x+2$\leq$10
Take the 2 to both sides but the sign changes so its subtract 2 from both sides
-8$\leq$x$\leq$8
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix C - Practice - Page 984: 5
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