84=-7(-k-8)

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Solution for 84=-7(-k-8) equation:



84=-7(-k-8)
We move all terms to the left:
84-(-7(-k-8))=0
We add all the numbers together, and all the variables
-(-7(-1k-8))+84=0
We calculate terms in parentheses: -(-7(-1k-8)), so:
-7(-1k-8)
We multiply parentheses
7k+56
Back to the equation:
-(7k+56)
We get rid of parentheses
-7k-56+84=0
We add all the numbers together, and all the variables
-7k+28=0
We move all terms containing k to the left, all other terms to the right
-7k=-28
k=-28/-7
k=+4

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