-2(-5+5n)+1=91

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Solution for -2(-5+5n)+1=91 equation: 



-2(-5+5n)+1=91

We move all terms to the left:

-2(-5+5n)+1-(91)=0

We add all the numbers together, and all the variables

-2(5n-5)+1-91=0

We add all the numbers together, and all the variables

-2(5n-5)-90=0

We multiply parentheses

-10n+10-90=0

We add all the numbers together, and all the variables

-10n-80=0

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

-10n=80

n=80/-10

n=-8

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