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(3/2)*(6*x-12)+4*x = 10*x-(4*x)-12+3 // - 10*x-(4*x)-12+3
(3/2)*(6*x-12)+4*x+4*x-(10*x)-3+12 = 0
(3/2)*(6*x-12)+4*x+4*x-10*x-3+12 = 0
3/2*(6*x-12)+4*x+4*x-10*x-3+12 = 0
3/2*(6*x-12)+4*x+4*x-10*x-3+12 = 0
13*x+4*x-10*x-18-3+12 = 0
17*x-10*x-18-3+12 = 0
7*x-18-3+12 = 0
7*x-21+12 = 0
7*x-9 = 0
7*x-9 = 0
7*x-9 = 0 // + 9
7*x = 9 // : 7
x = 9/7
x = 9/7
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