4=8-2n

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Solution for 4=8-2n equation: 



4=8-2n

We move all terms to the left:

4-(8-2n)=0

We add all the numbers together, and all the variables

-(-2n+8)+4=0

We get rid of parentheses

2n-8+4=0

We add all the numbers together, and all the variables

2n-4=0

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

2n=4

n=4/2

n=2

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