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4/3-((5/7)*(6-x)) = (2/3)*(3-(2*x)) // - (2/3)*(3-(2*x))
4/3-((5/7)*(6-x))-((2/3)*(3-(2*x))) = 0
(-5/7)*(6-x)+(-2/3)*(3-2*x)+4/3 = 0
4/3-5/7*(6-x)-2/3*(3-2*x) = 0
(-5/7*3*(6-x))/3+(-2/3*3*(3-2*x))/3+4/3 = 0
4-5/7*3*(6-x)-2/3*3*(3-2*x) = 0
43/7*x-132/7+4 = 0
43/7*x-104/7 = 0
(43/7*x-104/7)/3 = 0
(43/7*x-104/7)/3 = 0 // * 3
43/7*x-104/7 = 0
43/7*x-104/7 = 0 // + 104/7
43/7*x = 104/7 // : 43/7
x = 104/7/43/7
x = 104/43
x = 104/43
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