-k-(-8k)=7k

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



-k-(-8k)=7k

We move all terms to the left:

-k-(-8k)-(7k)=0

We add all the numbers together, and all the variables

-8k-(-8k)=0

We get rid of parentheses

-8k+8k=0

We add all the numbers together, and all the variables

=0

k=0/1

k=0

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