3=2(7+9b)

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Solution for 3=2(7+9b) equation: 



3=2(7+9b)

We move all terms to the left:

3-(2(7+9b))=0

We add all the numbers together, and all the variables

-(2(9b+7))+3=0



We calculate terms in parentheses: -(2(9b+7)), so:

2(9b+7)

We multiply parentheses

18b+14

Back to the equation:

-(18b+14)



We get rid of parentheses

-18b-14+3=0

We add all the numbers together, and all the variables

-18b-11=0

We move all terms containing b to the left, all other terms to the right

-18b=11

b=11/-18

b=-11/18

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