3n+20=2n+40

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Solution for 3n+20=2n+40 equation: 



3n+20=2n+40

We move all terms to the left:

3n+20-(2n+40)=0

We get rid of parentheses

3n-2n-40+20=0

We add all the numbers together, and all the variables

n-20=0

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

n=20

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