3/b=-2/5

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Solution for 3/b=-2/5 equation: 


D( b )

b = 0

b = 0

b = 0

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

3/b = -2/5 // + -2/5

3/b-(-2/5) = 0

3/b+2/5 = 0

3*b^-1 = -2/5 // : 3

b^-1 = -2/15

-1 < 0

1/(b^1) = -2/15 // * b^1

1 = -2/15*b^1 // : -2/15

-15/2 = b^1

b = -15/2

b = -15/2

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