3n+20=4n+12

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Solution for 3n+20=4n+12 equation: 



3n+20=4n+12

We move all terms to the left:

3n+20-(4n+12)=0

We get rid of parentheses

3n-4n-12+20=0

We add all the numbers together, and all the variables

-1n+8=0

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

-n=-8

n=-8/-1

n=+8

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