3n-2+n=7n-15+4

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Solution for 3n-2+n=7n-15+4 equation: 



3n-2+n=7n-15+4

We move all terms to the left:

3n-2+n-(7n-15+4)=0

We add all the numbers together, and all the variables

3n+n-(7n-11)-2=0

We add all the numbers together, and all the variables

4n-(7n-11)-2=0

We get rid of parentheses

4n-7n+11-2=0

We add all the numbers together, and all the variables

-3n+9=0

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

-3n=-9

n=-9/-3

n=+3

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