3n+4+2n=9

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Solution for 3n+4+2n=9 equation: 



3n+4+2n=9

We move all terms to the left:

3n+4+2n-(9)=0

We add all the numbers together, and all the variables

5n-5=0

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

5n=5

n=5/5

n=1

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