8n-9(n-1)=19

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Solution for 8n-9(n-1)=19 equation: 



8n-9(n-1)=19

We move all terms to the left:

8n-9(n-1)-(19)=0

We multiply parentheses

8n-9n+9-19=0

We add all the numbers together, and all the variables

-1n-10=0

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

-n=10

n=10/-1

n=-10

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