Solve for x
x=36
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5x-x=144
Multiply both sides of the equation by 40, the least common multiple of 8,40.
4x=144
Combine 5x and -x to get 4x.
x=\frac{144}{4}
Divide both sides by 4.
x=36
Divide 144 by 4 to get 36.
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