8/b=-12/30

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Solution for 8/b=-12/30 equation: 


D( b )

b = 0

b = 0

b = 0

b in (-oo:0) U (0:+oo)

8/b = -12/30 // + -12/30

8/b-(-12/30) = 0

8/b+2/5 = 0

8*b^-1 = -2/5 // : 8

b^-1 = -1/20

-1 < 0

1/(b^1) = -1/20 // * b^1

1 = -1/20*b^1 // : -1/20

-20 = b^1

b = -20

b = -20

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