-1/6(x-12)+1/2(x+2)=-21

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Solution for -1/6(x-12)+1/2(x+2)=-21 equation: 


x in (-oo:+oo)

(-1/6)*(x-12)+(1/2)*(x+2) = -21 // + 21

(-1/6)*(x-12)+(1/2)*(x+2)+21 = 0

1/2*(x+2)-1/6*(x-12)+21 = 0

1/2*(x+2)-1/6*(x-12)+21 = 0

1/3*x+3+21 = 0

1/3*x+24 = 0

1/3*x+24 = 0

1/3*x+24 = 0 // - 24

1/3*x = -24 // : 1/3

x = -24/1/3

x = -72

x = -72

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