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(-1/2)*(6*x-4)+5*(x+2) = 0
5*(x+2)-1/2*(6*x-4) = 0
5*(x+2)-1/2*(6*x-4) = 0
2*x+12 = 0
2*x+12 = 0
2*x+12 = 0 // - 12
2*x = -12 // : 2
x = -12/2
x = -6
x = -6
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