3n+-7=2n-4

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



3n+-7=2n-4

We move all terms to the left:

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

We add all the numbers together, and all the variables

3n-(2n-4)=0

We get rid of parentheses

3n-2n+4=0

We add all the numbers together, and all the variables

n+4=0

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

n=-4

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