6n+9=7n

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Solution for 6n+9=7n equation: 



6n+9=7n

We move all terms to the left:

6n+9-(7n)=0

We add all the numbers together, and all the variables

-1n+9=0

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

-n=-9

n=-9/-1

n=+9

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