Question 946696
21-4|2-5w|>13
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Subtract 21
-4|2-5w|> -8
Divide by 4
-|2-5w|> -2
Divide by -1 (changes polarity)
|2-5w| < 2
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Case 1:
2-5w < 2
-5w < 0
w > 0
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Case 2:
-(2-5w) < 2
5w-2 < 2
5w < 4
w < 4/5