4(b+3)=b+9

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Solution for 4(b+3)=b+9 equation: 



4(b+3)=b+9

We move all terms to the left:

4(b+3)-(b+9)=0

We multiply parentheses

4b-(b+9)+12=0

We get rid of parentheses

4b-b-9+12=0

We add all the numbers together, and all the variables

3b+3=0

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

3b=-3

b=-3/3

b=-1

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