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2*x+1/8 = 53/40 // - 53/40
2*x+1/8-(53/40) = 0
2*x+1/8-53/40 = 0
2*x-6/5 = 0 // + 6/5
2*x = 6/5 // : 2
x = 6/5/2
x = 3/5
x = 3/5
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