SOLUTION: -2<1/2x-1/4<7/4
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Question 182493
:
-2<1/2x-1/4<7/4
Found 2 solutions by
HyperBrain, tvandenberg
:
Answer by
HyperBrain(694)
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-2<1/2x-1/4<7/4
...
multiply 4 to all sides
-8<2x-1<7
..
add 1 to all sides
-7<2x<8
... divide all sides by 2
-7/2
...
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Answer by
tvandenberg(45)
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Add 1/4 to everything...
-7/4 < 1/2 x < 2
Multiply everything by 2...
-7/2 < x < 4