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(2*x-3)/12+x = (2*x+3)/2+4 // - (2*x+3)/2+4
(2*x-3)/12-((2*x+3)/2)+x-4 = 0
(2*x-3)/12+(-1*(2*x+3))/2+x-4 = 0
(2*(2*x-3))/(2*12)+(-1*12*(2*x+3))/(2*12)+(2*12*x)/(2*12)+(-4*2*12)/(2*12) = 0
2*(2*x-3)-1*12*(2*x+3)+2*12*x-4*2*12 = 0
24*x-20*x-96-42 = 0
4*x-96-42 = 0
4*x-138 = 0
(4*x-138)/(2*12) = 0
(4*x-138)/(2*12) = 0 // * 2*12
4*x-138 = 0
4*x-138 = 0 // + 138
4*x = 138 // : 4
x = 138/4
x = 69/2
x = 69/2
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