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5/4 = (x-3)/3 // - (x-3)/3
5/4-((x-3)/3) = 0
(-1*(x-3))/3+5/4 = 0
(-1*4*(x-3))/(3*4)+(3*5)/(3*4) = 0
3*5-1*4*(x-3) = 0
27-4*x = 0
(27-4*x)/(3*4) = 0
(27-4*x)/(3*4) = 0 // * 3*4
27-4*x = 0
27-4*x = 0 // - 27
-4*x = -27 // : -4
x = -27/(-4)
x = 27/4
x = 27/4
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