21=-41-7k

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Solution for 21=-41-7k equation: 



21=-41-7k

We move all terms to the left:

21-(-41-7k)=0

We add all the numbers together, and all the variables

-(-7k-41)+21=0

We get rid of parentheses

7k+41+21=0

We add all the numbers together, and all the variables

7k+62=0

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

7k=-62

k=-62/7

k=-8+6/7

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