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2/11-4*x-(3*x)-(1/11) = 0
2/11-4*x-3*x-1/11 = 0
1/11-7*x = 0 // - 1/11
-7*x = -1/11 // : -7
x = -1/11/(-7)
x = 1/77
x = 1/77
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