SOLUTION: |x-12|/4 ≤1

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Question 548818: |x-12|/4 ≤1
Answer by lwsshak3(11628) About Me  (Show Source):
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|x-12|/4 ≤1
solve for two conditions:
for (x-12)>0
(x-12)/4≤1
(x-12)≤4
x≤16
..
for (x-12)<0
(-x+12)/4≤1
(-x+12)≤4
-x≤-8
x≥8
..
number lne
<.......[8<===>16].......>
solution: [8,16]