SOLUTION: -3 < x + 4

SOLUTION: -3 < x + 4 < 13

Question 274172: -3 < x + 4 < 13
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Starting from
-3 < x + 4 < 13
we subtract 4 from all three "sides" and get
-7 < x < 9
and we're done
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