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

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Solution for -5(5-5n)-2n=90 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-2n+25n-25-90=0

We add all the numbers together, and all the variables

23n-115=0

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

23n=115

n=115/23

n=5

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