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5*x+(1/2)*x-(5/9) = 287/18 // - 287/18
5*x+(1/2)*x-(5/9)-(287/18) = 0
5*x+(1/2)*x-5/9-287/18 = 0
11/2*x-33/2 = 0 // + 33/2
11/2*x = 33/2 // : 11/2
x = 33/2/11/2
x = 3
x = 3
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