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(3/4)*x+5/6 = 45/12 // - 45/12
(3/4)*x+5/6-(45/12) = 0
(3/4)*x+5/6-15/4 = 0
3/4*x-35/12 = 0 // + 35/12
3/4*x = 35/12 // : 3/4
x = 35/12/3/4
x = 35/9
x = 35/9
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