2n+19=3n+21

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Solution for 2n+19=3n+21 equation: 



2n+19=3n+21

We move all terms to the left:

2n+19-(3n+21)=0

We get rid of parentheses

2n-3n-21+19=0

We add all the numbers together, and all the variables

-1n-2=0

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

-n=2

n=2/-1

n=-2

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