-1/6(x-12)+1/2(x+2)x+7

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Solution for -1/6(x-12)+1/2(x+2)x+7 equation: 


x in (-oo:+oo)

(-1/6)*(x-12)+(1/2)*x*(x+2)+7 = 0

1/2*x*(x+2)-1/6*(x-12)+7 = 0

1/2*x*(x+2)-1/6*(x-12)+7 = 0

1/2*x^2+5/6*x+2+7 = 0

1/2*x^2+5/6*x+9 = 0

1/2*x^2+5/6*x+9 = 0

1/2*x^2+5/6*x+9 = 0

DELTA = (5/6)^2-(1/2*4*9)

DELTA = -623/36

DELTA < 0

1 = 0

1 = 0

x belongs to the empty set

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