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(11/4)*x = x+3/4 // - x+3/4
(11/4)*x-x-(3/4) = 0
(11/4)*x-x-3/4 = 0
7/4*x-3/4 = 0 // + 3/4
7/4*x = 3/4 // : 7/4
x = 3/4/7/4
x = 3/7
x = 3/7
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