2/3(6b-9)+6=3b-21

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Solution for 2/3(6b-9)+6=3b-21 equation: 


b in (-oo:+oo)

(2/3)*(6*b-9)+6 = 3*b-21 // - 3*b-21

(2/3)*(6*b-9)-(3*b)+6+21 = 0

(2/3)*(6*b-9)-3*b+6+21 = 0

2/3*(6*b-9)-3*b+6+21 = 0

2/3*(6*b-9)-3*b+6+21 = 0

b-6+6+21 = 0

b+21 = 0

b+21 = 0

b+21 = 0 // - 21

b = -21

b = -21

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