4/b=-8

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Solution for 4/b=-8 equation: 


D( b )

b = 0

b = 0

b = 0

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

4/b = -8 // + 8

4/b+8 = 0

4*b^-1 = -8 // : 4

b^-1 = -2

-1 < 0

1/(b^1) = -2 // * b^1

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

-1/2 = b^1

b = -1/2

b = -1/2

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