9+2b=7b-1

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Solution for 9+2b=7b-1 equation:


b in (-oo:+oo)

2*b+9 = 7*b-1 // - 7*b-1

2*b-(7*b)+1+9 = 0

2*b-7*b+1+9 = 0

10-5*b = 0 // - 10

-5*b = -10 // : -5

b = -10/(-5)

b = 2

b = 2

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