3(2b+b)=5b+20

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Solution for 3(2b+b)=5b+20 equation: 



3(2b+b)=5b+20

We move all terms to the left:

3(2b+b)-(5b+20)=0

We add all the numbers together, and all the variables

3(+3b)-(5b+20)=0

We multiply parentheses

9b-(5b+20)=0

We get rid of parentheses

9b-5b-20=0

We add all the numbers together, and all the variables

4b-20=0

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

4b=20

b=20/4

b=5

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