3(8+b)=39

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Solution for 3(8+b)=39 equation: 



3(8+b)=39

We move all terms to the left:

3(8+b)-(39)=0

We add all the numbers together, and all the variables

3(b+8)-39=0

We multiply parentheses

3b+24-39=0

We add all the numbers together, and all the variables

3b-15=0

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

3b=15

b=15/3

b=5

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