-8n+21=6(1-5n)-7

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Solution for -8n+21=6(1-5n)-7 equation: 



-8n+21=6(1-5n)-7

We move all terms to the left:

-8n+21-(6(1-5n)-7)=0

We add all the numbers together, and all the variables

-8n-(6(-5n+1)-7)+21=0



We calculate terms in parentheses: -(6(-5n+1)-7), so:

6(-5n+1)-7

We multiply parentheses

-30n+6-7

We add all the numbers together, and all the variables

-30n-1

Back to the equation:

-(-30n-1)



We get rid of parentheses

-8n+30n+1+21=0

We add all the numbers together, and all the variables

22n+22=0

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

22n=-22

n=-22/22

n=-1

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