5=7-n

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Solution for 5=7-n equation: 



5=7-n

We move all terms to the left:

5-(7-n)=0

We add all the numbers together, and all the variables

-(-1n+7)+5=0

We get rid of parentheses

1n-7+5=0

We add all the numbers together, and all the variables

n-2=0

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

n=2

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