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(3/4)*x = 18.5 // - 18.5
(3/4)*x-18.5 = 0
3/4*x-18.5 = 0 // + 18.5
3/4*x = 18.5 // : 3/4
x = 18.5/3/4
x = 24.66666667
x = 24.66666667
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