-1/2b-3=9

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Solution for -1/2b-3=9 equation: 


b in (-oo:+oo)

(-1/2)*b-3 = 9 // - 9

(-1/2)*b-9-3 = 0

-1/2*b-12 = 0 // + 12

-1/2*b = 12 // : -1/2

b = 12/(-1/2)

b = -24

b = -24

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