287=-7(1-7k)

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Solution for 287=-7(1-7k) equation: 



287=-7(1-7k)

We move all terms to the left:

287-(-7(1-7k))=0

We add all the numbers together, and all the variables

-(-7(-7k+1))+287=0



We calculate terms in parentheses: -(-7(-7k+1)), so:

-7(-7k+1)

We multiply parentheses

49k-7

Back to the equation:

-(49k-7)



We get rid of parentheses

-49k+7+287=0

We add all the numbers together, and all the variables

-49k+294=0

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

-49k=-294

k=-294/-49

k=+6

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