1+8(n-8)=-21+2n

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Solution for 1+8(n-8)=-21+2n equation: 



1+8(n-8)=-21+2n

We move all terms to the left:

1+8(n-8)-(-21+2n)=0

We add all the numbers together, and all the variables

8(n-8)-(2n-21)+1=0

We multiply parentheses

8n-(2n-21)-64+1=0

We get rid of parentheses

8n-2n+21-64+1=0

We add all the numbers together, and all the variables

6n-42=0

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

6n=42

n=42/6

n=7

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