5(b+6)=2(4b+21)

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Solution for 5(b+6)=2(4b+21) equation: 



5(b+6)=2(4b+21)

We move all terms to the left:

5(b+6)-(2(4b+21))=0

We multiply parentheses

5b-(2(4b+21))+30=0



We calculate terms in parentheses: -(2(4b+21)), so:

2(4b+21)

We multiply parentheses

8b+42

Back to the equation:

-(8b+42)



We get rid of parentheses

5b-8b-42+30=0

We add all the numbers together, and all the variables

-3b-12=0

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

-3b=12

b=12/-3

b=-4

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