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(2/3)*(x-6) = x-(7/9) // - x-(7/9)
(2/3)*(x-6)-x+7/9 = 0
2/3*(x-6)-x+7/9 = 0
(2/3*9*(x-6))/9+(9*(-x))/9+7/9 = 0
2/3*9*(x-6)+9*(-x)+7 = 0
7-3*x-36 = 0
-3*x-29 = 0
(-3*x-29)/9 = 0
(-3*x-29)/9 = 0 // * 9
-3*x-29 = 0
-3*x-29 = 0 // + 29
-3*x = 29 // : -3
x = 29/(-3)
x = -29/3
x = -29/3
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