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