8n-36=21-7n

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Solution for 8n-36=21-7n equation: 



8n-36=21-7n

We move all terms to the left:

8n-36-(21-7n)=0

We add all the numbers together, and all the variables

8n-(-7n+21)-36=0

We get rid of parentheses

8n+7n-21-36=0

We add all the numbers together, and all the variables

15n-57=0

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

15n=57

n=57/15

n=3+4/5

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