3n+21=5n+23

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Solution for 3n+21=5n+23 equation: 



3n+21=5n+23

We move all terms to the left:

3n+21-(5n+23)=0

We get rid of parentheses

3n-5n-23+21=0

We add all the numbers together, and all the variables

-2n-2=0

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

-2n=2

n=2/-2

n=-1

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