3(-1+2n)+4=31

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Solution for 3(-1+2n)+4=31 equation: 



3(-1+2n)+4=31

We move all terms to the left:

3(-1+2n)+4-(31)=0

We add all the numbers together, and all the variables

3(2n-1)+4-31=0

We add all the numbers together, and all the variables

3(2n-1)-27=0

We multiply parentheses

6n-3-27=0

We add all the numbers together, and all the variables

6n-30=0

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

6n=30

n=30/6

n=5

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