6n-7=7n-9

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Solution for 6n-7=7n-9 equation: 



6n-7=7n-9

We move all terms to the left:

6n-7-(7n-9)=0

We get rid of parentheses

6n-7n+9-7=0

We add all the numbers together, and all the variables

-1n+2=0

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

-n=-2

n=-2/-1

n=+2

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