-81=7k+19

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Solution for -81=7k+19 equation: 



-81=7k+19

We move all terms to the left:

-81-(7k+19)=0

We get rid of parentheses

-7k-19-81=0

We add all the numbers together, and all the variables

-7k-100=0

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

-7k=100

k=100/-7

k=-14+2/7

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