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(x+1)/5-((x-1)/2) = (3-x)/3 // - (3-x)/3
(x+1)/5-((x-1)/2)-((3-x)/3) = 0
(x+1)/5+(-1*(x-1))/2+(-1*(3-x))/3 = 0
(2*3*(x+1))/(2*3*5)+(-1*3*5*(x-1))/(2*3*5)+(-1*2*5*(3-x))/(2*3*5) = 0
2*3*(x+1)-1*3*5*(x-1)-1*2*5*(3-x) = 0
10*x-9*x-30+21 = 0
x-9 = 0
(x-9)/(2*3*5) = 0
(x-9)/(2*3*5) = 0 // * 2*3*5
x-9 = 0
x-9 = 0 // + 9
x = 9
x = 9
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