3n+9=5+1n

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Solution for 3n+9=5+1n equation: 



3n+9=5+1n

We move all terms to the left:

3n+9-(5+1n)=0

We add all the numbers together, and all the variables

3n-(n+5)+9=0

We get rid of parentheses

3n-n-5+9=0

We add all the numbers together, and all the variables

2n+4=0

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

2n=-4

n=-4/2

n=-2

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