642/77=4b+2/7b+6

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Solution for 642/77=4b+2/7b+6 equation: 


b in (-oo:+oo)

642/77 = 4*b+(2/7)*b+6 // - 4*b+(2/7)*b+6

642/77-(4*b)-((2/7)*b)-6 = 0

(-2/7)*b-4*b+642/77-6 = 0

180/77-30/7*b = 0 // - 180/77

-30/7*b = -180/77 // : -30/7

b = -180/77/(-30/7)

b = 6/11

b = 6/11

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