3n+9-7n-2=43

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Solution for 3n+9-7n-2=43 equation: 



3n+9-7n-2=43

We move all terms to the left:

3n+9-7n-2-(43)=0

We add all the numbers together, and all the variables

-4n-36=0

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

-4n=36

n=36/-4

n=-9

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