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x in (-oo:+oo)
-6*x = -48/11 // + -48/11
-6*x-(-48/11) = 0
48/11-6*x = 0
48/11-6*x = 0 // - 48/11
-6*x = -48/11 // : -6
x = -48/11/(-6)
x = 8/11
x = 8/11
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