3n=4n+3n=20

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



3n=4n+3n=20

We move all terms to the left:

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

We add all the numbers together, and all the variables

3n-(+7n)=0

We get rid of parentheses

3n-7n=0

We add all the numbers together, and all the variables

-4n=0

n=0/-4

n=0

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