-121=-4(5n-1)-5n

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Solution for -121=-4(5n-1)-5n equation: 



-121=-4(5n-1)-5n

We move all terms to the left:

-121-(-4(5n-1)-5n)=0



We calculate terms in parentheses: -(-4(5n-1)-5n), so:

-4(5n-1)-5n

We add all the numbers together, and all the variables

-5n-4(5n-1)

We multiply parentheses

-5n-20n+4

We add all the numbers together, and all the variables

-25n+4

Back to the equation:

-(-25n+4)



We get rid of parentheses

25n-4-121=0

We add all the numbers together, and all the variables

25n-125=0

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

25n=125

n=125/25

n=5

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