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3*x+x-(8/9) = 3*x+8/3+3 // - 3*x+8/3+3
3*x+x-(3*x)-(8/9)-(8/3)-3 = 0
3*x+x-3*x-8/9-8/3-3 = 0
x-59/9 = 0 // + 59/9
x = 59/9
x = 59/9
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