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(3/4)*x = (5/8)*x+3 // - (5/8)*x+3
(3/4)*x-((5/8)*x)-3 = 0
(3/4)*x+(-5/8)*x-3 = 0
1/8*x-3 = 0 // + 3
1/8*x = 3 // : 1/8
x = 3/1/8
x = 24
x = 24
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