-105=-5(5-4k)

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Solution for -105=-5(5-4k) equation: 



-105=-5(5-4k)

We move all terms to the left:

-105-(-5(5-4k))=0

We add all the numbers together, and all the variables

-(-5(-4k+5))-105=0



We calculate terms in parentheses: -(-5(-4k+5)), so:

-5(-4k+5)

We multiply parentheses

20k-25

Back to the equation:

-(20k-25)



We get rid of parentheses

-20k+25-105=0

We add all the numbers together, and all the variables

-20k-80=0

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

-20k=80

k=80/-20

k=-4

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