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(1/3)*(5*x+6)-((1/2)*(x+7)) = 2 // - 2
(1/3)*(5*x+6)-((1/2)*(x+7))-2 = 0
(1/3)*(5*x+6)+(-1/2)*(x+7)-2 = 0
1/3*(5*x+6)-1/2*(x+7)-2 = 0
1/3*(5*x+6)-1/2*(x+7)-2 = 0
7/6*x-2-3/2 = 0
7/6*x-7/2 = 0
7/6*x-7/2 = 0
7/6*x-7/2 = 0 // + 7/2
7/6*x = 7/2 // : 7/6
x = 7/2/7/6
x = 3
x = 3
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