1/2(x-3)+7+1/3(4+x)=12

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Solution for 1/2(x-3)+7+1/3(4+x)=12 equation: 


x in (-oo:+oo)

(1/2)*(x-3)+(1/3)*(x+4)+7 = 12 // - 12

(1/2)*(x-3)+(1/3)*(x+4)-12+7 = 0

1/2*(x-3)+1/3*(x+4)-12+7 = 0

1/2*(x-3)+1/3*(x+4)-12+7 = 0

5/6*x-12-1/6+7 = 0

5/6*x-73/6+7 = 0

5/6*x-31/6 = 0

5/6*x-31/6 = 0

5/6*x-31/6 = 0 // + 31/6

5/6*x = 31/6 // : 5/6

x = 31/6/5/6

x = 31/5

x = 31/5

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