-20=-4n+12

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Solution for -20=-4n+12 equation: 



-20=-4n+12

We move all terms to the left:

-20-(-4n+12)=0

We get rid of parentheses

4n-12-20=0

We add all the numbers together, and all the variables

4n-32=0

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

4n=32

n=32/4

n=8

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