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(2*x-3)/12+x = (2*x+3)/2+3 // - (2*x+3)/2+3
(2*x-3)/12-((2*x+3)/2)+x-3 = 0
(2*x-3)/12+(-1*(2*x+3))/2+x-3 = 0
(2*(2*x-3))/(2*12)+(-1*12*(2*x+3))/(2*12)+(2*12*x)/(2*12)+(-3*2*12)/(2*12) = 0
2*(2*x-3)-1*12*(2*x+3)+2*12*x-3*2*12 = 0
24*x-20*x-72-42 = 0
4*x-72-42 = 0
4*x-114 = 0
(4*x-114)/(2*12) = 0
(4*x-114)/(2*12) = 0 // * 2*12
4*x-114 = 0
4*x-114 = 0 // + 114
4*x = 114 // : 4
x = 114/4
x = 57/2
x = 57/2
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