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-343/55 = (3/5)*x-4*x-5 // - (3/5)*x-4*x-5
5-(-4*x)-((3/5)*x)-343/55 = 0
4*x+(-3/5)*x-343/55+5 = 0
17/5*x-68/55 = 0 // + 68/55
17/5*x = 68/55 // : 17/5
x = 68/55/17/5
x = 4/11
x = 4/11
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