6(2b+9)=138

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Solution for 6(2b+9)=138 equation: 


b in (-oo:+oo)

6*(2*b+9) = 138 // - 138

6*(2*b+9)-138 = 0

6*(2*b+9)-138 = 0

12*b-84 = 0

12*b-84 = 0

12*b-84 = 0 // + 84

12*b = 84 // : 12

b = 84/12

b = 7

b = 7

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