3n+21=11n-43

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Solution for 3n+21=11n-43 equation: 



3n+21=11n-43

We move all terms to the left:

3n+21-(11n-43)=0

We get rid of parentheses

3n-11n+43+21=0

We add all the numbers together, and all the variables

-8n+64=0

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

-8n=-64

n=-64/-8

n=+8

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