b+9-3b=-11

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Solution for b+9-3b=-11 equation:


b in (-oo:+oo)

b-(3*b)+9 = -11 // + 11

b-(3*b)+9+11 = 0

b-3*b+9+11 = 0

20-2*b = 0 // - 20

-2*b = -20 // : -2

b = -20/(-2)

b = 10

b = 10

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