-80=7k+19+3k

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Solution for -80=7k+19+3k equation: 



-80=7k+19+3k

We move all terms to the left:

-80-(7k+19+3k)=0

We add all the numbers together, and all the variables

-(10k+19)-80=0

We get rid of parentheses

-10k-19-80=0

We add all the numbers together, and all the variables

-10k-99=0

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

-10k=99

k=99/-10

k=-9+9/10

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