-3b+9=99+6b

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Solution for -3b+9=99+6b equation: 


b in (-oo:+oo)

9-3*b = 6*b+99 // - 6*b+99

9-3*b-(6*b)-99 = 0

9-3*b-6*b-99 = 0

-9*b-90 = 0 // + 90

-9*b = 90 // : -9

b = 90/(-9)

b = -10

b = -10

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