Solve for x
x = \frac{55}{2} = 27\frac{1}{2} = 27.5
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4x+12-7=115
Combine x and 3x to get 4x.
4x+5=115
Subtract 7 from 12 to get 5.
4x=115-5
Subtract 5 from both sides.
4x=110
Subtract 5 from 115 to get 110.
x=\frac{110}{4}
Divide both sides by 4.
x=\frac{55}{2}
Reduce the fraction \frac{110}{4} to lowest terms by extracting and canceling out 2.
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