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8-4*x-((4/5)*x) = 392/55 // - 392/55
8-4*x-((4/5)*x)-(392/55) = 0
(-4/5)*x-4*x-392/55+8 = 0
48/55-24/5*x = 0 // - 48/55
-24/5*x = -48/55 // : -24/5
x = -48/55/(-24/5)
x = 2/11
x = 2/11
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