-k=8+7k

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Solution for -k=8+7k equation: 



-k=8+7k

We move all terms to the left:

-k-(8+7k)=0

We add all the numbers together, and all the variables

-k-(7k+8)=0

We add all the numbers together, and all the variables

-1k-(7k+8)=0

We get rid of parentheses

-1k-7k-8=0

We add all the numbers together, and all the variables

-8k-8=0

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

-8k=8

k=8/-8

k=-1

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