-56+7k=k-2k

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Solution for -56+7k=k-2k equation: 



-56+7k=k-2k

We move all terms to the left:

-56+7k-(k-2k)=0

We add all the numbers together, and all the variables

7k-(-1k)-56=0

We get rid of parentheses

7k+1k-56=0

We add all the numbers together, and all the variables

8k-56=0

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

8k=56

k=56/8

k=7

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