-57=-2(1-5k)-5(1-8k)

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Solution for -57=-2(1-5k)-5(1-8k) equation: 



-57=-2(1-5k)-5(1-8k)

We move all terms to the left:

-57-(-2(1-5k)-5(1-8k))=0

We add all the numbers together, and all the variables

-(-2(-5k+1)-5(-8k+1))-57=0



We calculate terms in parentheses: -(-2(-5k+1)-5(-8k+1)), so:

-2(-5k+1)-5(-8k+1)

We multiply parentheses

10k+40k-2-5

We add all the numbers together, and all the variables

50k-7

Back to the equation:

-(50k-7)



We get rid of parentheses

-50k+7-57=0

We add all the numbers together, and all the variables

-50k-50=0

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

-50k=50

k=50/-50

k=-1

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