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((2*3)/3)*x-((1*1)/2) = (3*5)/4 // - (3*5)/4
((2*3)/3)*x-((1*1)/2)-((3*5)/4) = 0
((2*3)/3)*x-1/2-15/4 = 0
2*x-17/4 = 0 // + 17/4
2*x = 17/4 // : 2
x = 17/4/2
x = 17/8
x = 17/8
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