125=-5(7-4k)

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Solution for 125=-5(7-4k) equation: 



125=-5(7-4k)

We move all terms to the left:

125-(-5(7-4k))=0

We add all the numbers together, and all the variables

-(-5(-4k+7))+125=0



We calculate terms in parentheses: -(-5(-4k+7)), so:

-5(-4k+7)

We multiply parentheses

20k-35

Back to the equation:

-(20k-35)



We get rid of parentheses

-20k+35+125=0

We add all the numbers together, and all the variables

-20k+160=0

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

-20k=-160

k=-160/-20

k=+8

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