Question 80005
7|z+6|+8 <= 57
Subtract 8 from both sides:
7|z+6| <= 49
Divide both sides by 7:
|z+6| <= 7
Rewrite as:
-7 <= z+6 <= 7
Subtract 6 along the line to get:
-13 <= z <= 1
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Cheers,
Stan H.