4n-28=20

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Solution for 4n-28=20 equation: 



4n-28=20

We move all terms to the left:

4n-28-(20)=0

We add all the numbers together, and all the variables

4n-48=0

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

4n=48

n=48/4

n=12

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