n-3=20-4n

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Solution for n-3=20-4n equation: 



n-3=20-4n

We move all terms to the left:

n-3-(20-4n)=0

We add all the numbers together, and all the variables

n-(-4n+20)-3=0

We get rid of parentheses

n+4n-20-3=0

We add all the numbers together, and all the variables

5n-23=0

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

5n=23

n=23/5

n=4+3/5

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