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3*x-(6*x)+1 = 2/11 // - 2/11
3*x-(6*x)-(2/11)+1 = 0
3*x-6*x-2/11+1 = 0
9/11-3*x = 0 // - 9/11
-3*x = -9/11 // : -3
x = -9/11/(-3)
x = 3/11
x = 3/11
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