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7*(5*x-11)-((2/3)*(18-(9*x)))+12 = 0
7*(5*x-11)+(-2/3)*(18-9*x)+12 = 0
7*(5*x-11)-2/3*(18-9*x)+12 = 0
7*(5*x-11)-2/3*(18-9*x)+12 = 0
41*x-89+12 = 0
41*x-77 = 0
41*x-77 = 0
41*x-77 = 0 // + 77
41*x = 77 // : 41
x = 77/41
x = 77/41
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