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3*(x+2) = (1/4)*(12*x+4)-(5*x) // - (1/4)*(12*x+4)-(5*x)
3*(x+2)-((1/4)*(12*x+4))+5*x = 0
3*(x+2)+(-1/4)*(12*x+4)+5*x = 0
3*(x+2)-1/4*(12*x+4)+5*x = 0
3*(x+2)-1/4*(12*x+4)+5*x = 0
5*x+5 = 0
5*x+5 = 0
5*x+5 = 0 // - 5
5*x = -5 // : 5
x = -5/5
x = -1
x = -1
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