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(1/7)*(3*x+2)-((1/3)*(x+8)) = 6 // - 6
(1/7)*(3*x+2)-((1/3)*(x+8))-6 = 0
(1/7)*(3*x+2)+(-1/3)*(x+8)-6 = 0
1/7*(3*x+2)-1/3*(x+8)-6 = 0
1/7*(3*x+2)-1/3*(x+8)-6 = 0
2/21*x-6-50/21 = 0
2/21*x-176/21 = 0
2/21*x-176/21 = 0
2/21*x-176/21 = 0 // + 176/21
2/21*x = 176/21 // : 2/21
x = 176/21/2/21
x = 88
x = 88
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