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x in (-oo:+oo)
(3*x-11)/8 = x // - x
(3*x-11)/8-x = 0
(3*x-11)/8+(8*(-x))/8 = 0
3*x+8*(-x)-11 = 0
-5*x-11 = 0
(-5*x-11)/8 = 0
(-5*x-11)/8 = 0 // * 8
-5*x-11 = 0
-5*x-11 = 0 // + 11
-5*x = 11 // : -5
x = 11/(-5)
x = -11/5
x = -11/5
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