(-3b)/(b-2)=3/4

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Solution for (-3b)/(b-2)=3/4 equation: 


D( b )

b-2 = 0

b-2 = 0

b-2 = 0

b-2 = 0 // + 2

b = 2

b in (-oo:2) U (2:+oo)

(-3*b)/(b-2) = 3/4 // - 3/4

(-3*b)/(b-2)-(3/4) = 0

(-3*b)/(b-2)-3/4 = 0

(-3*4*b)/(4*(b-2))+(-3*(b-2))/(4*(b-2)) = 0

-3*(b-2)-3*4*b = 0

6-15*b = 0

(6-15*b)/(4*(b-2)) = 0

(6-15*b)/(4*(b-2)) = 0 // * 4*(b-2)

6-15*b = 0

6-15*b = 0 // - 6

-15*b = -6 // : -15

b = -6/(-15)

b = 2/5

b = 2/5

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