9+2n=4+n

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Solution for 9+2n=4+n equation: 



9+2n=4+n

We move all terms to the left:

9+2n-(4+n)=0

We add all the numbers together, and all the variables

2n-(n+4)+9=0

We get rid of parentheses

2n-n-4+9=0

We add all the numbers together, and all the variables

n+5=0

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

n=-5

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