2n-9=11n-90

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Solution for 2n-9=11n-90 equation: 



2n-9=11n-90

We move all terms to the left:

2n-9-(11n-90)=0

We get rid of parentheses

2n-11n+90-9=0

We add all the numbers together, and all the variables

-9n+81=0

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

-9n=-81

n=-81/-9

n=+9

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