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