3(-7+3n)=7n-31

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Solution for 3(-7+3n)=7n-31 equation: 



3(-7+3n)=7n-31

We move all terms to the left:

3(-7+3n)-(7n-31)=0

We add all the numbers together, and all the variables

3(3n-7)-(7n-31)=0

We multiply parentheses

9n-(7n-31)-21=0

We get rid of parentheses

9n-7n+31-21=0

We add all the numbers together, and all the variables

2n+10=0

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

2n=-10

n=-10/2

n=-5

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