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(-4/5)*x-(2/7) = -194/385 // + -194/385
(-4/5)*x-(2/7)-(-194/385) = 0
(-4/5)*x-2/7+194/385 = 0
12/55-4/5*x = 0 // - 12/55
-4/5*x = -12/55 // : -4/5
x = -12/55/(-4/5)
x = 3/11
x = 3/11
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