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