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x in (-oo:+oo)
(1/3)*(3/11-(3*x))-(7/11) = 8/11 // - 8/11
(1/3)*(3/11-(3*x))-(7/11)-(8/11) = 0
(1/3)*(3/11-3*x)-7/11-8/11 = 0
1/3*(3/11-3*x)-7/11-8/11 = 0
(1/3*11*(3/11-3*x))/11-7/11-8/11 = 0
1/3*11*(3/11-3*x)-8-7 = 0
-11*x-8-6 = 0
-11*x-14 = 0
(-11*x-14)/11 = 0
(-11*x-14)/11 = 0 // * 11
-11*x-14 = 0
-11*x-14 = 0 // + 14
-11*x = 14 // : -11
x = 14/(-11)
x = -14/11
x = -14/11
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