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4*x-3 = ((2*x+6)^1)/2 // - ((2*x+6)^1)/2
4*x-(((2*x+6)^1)/2)-3 = 0
4*x-((2*x+6)/2)-3 = 0
(-1*(2*x+6))/2+4*x-3 = 0
(-1*(2*x+6))/2+(2*4*x)/2+(-3*2)/2 = 0
2*4*x-1*(2*x+6)-3*2 = 0
6*x-6-6 = 0
6*x-12 = 0
(6*x-12)/2 = 0
(6*x-12)/2 = 0 // * 2
6*x-12 = 0
6*x-12 = 0 // + 12
6*x = 12 // : 6
x = 12/6
x = 2
x = 2
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