n+20=2n-5

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Solution for n+20=2n-5 equation: 



n+20=2n-5

We move all terms to the left:

n+20-(2n-5)=0

We get rid of parentheses

n-2n+5+20=0

We add all the numbers together, and all the variables

-1n+25=0

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

-n=-25

n=-25/-1

n=+25

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