SOLUTION: 1<3x + 4 _< 16

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Question 45054: 1<3x + 4 _< 16
Found 2 solutions by Nate, stanbon:
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
1 < 3x + 4 _< 16
-3 < 3x _< 12
-1 < x _< 4
<---(-1)===(4]--->

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
1<3x + 4 _< 16
Subtract 4 along the line to get:
-3< 3x <12
Divide by 3 along the line to get:
-1< x < 4
Cheers,
Stan H.