20+2n=3n-10

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Solution for 20+2n=3n-10 equation: 



20+2n=3n-10

We move all terms to the left:

20+2n-(3n-10)=0

We get rid of parentheses

2n-3n+10+20=0

We add all the numbers together, and all the variables

-1n+30=0

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

-n=-30

n=-30/-1

n=+30

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