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6*x-((5*x)/9)-8 = 3 // - 3
6*x-((5*x)/9)-8-3 = 0
6*x+(-5/9)*x-8-3 = 0
49/9*x-11 = 0 // + 11
49/9*x = 11 // : 49/9
x = 11/49/9
x = 99/49
x = 99/49
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