3+n=2n-5

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Solution for 3+n=2n-5 equation: 



3+n=2n-5

We move all terms to the left:

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

We get rid of parentheses

n-2n+5+3=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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