-2n+4+n=9

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



-2n+4+n=9

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1n-5=0

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

-n=5

n=5/-1

n=-5

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