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(31/2)*x = 3/4 // - 3/4
(31/2)*x-(3/4) = 0
(31/2)*x-3/4 = 0
31/2*x-3/4 = 0 // + 3/4
31/2*x = 3/4 // : 31/2
x = 3/4/31/2
x = 3/62
x = 3/62
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