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x in (-oo:+oo)
-5*x-1 = 4/11 // - 4/11
-5*x-(4/11)-1 = 0
-5*x-4/11-1 = 0
-5*x-15/11 = 0 // + 15/11
-5*x = 15/11 // : -5
x = 15/11/(-5)
x = -3/11
x = -3/11
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