19=2k+1

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Solution for 19=2k+1 equation: 



19=2k+1

We move all terms to the left:

19-(2k+1)=0

We get rid of parentheses

-2k-1+19=0

We add all the numbers together, and all the variables

-2k+18=0

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

-2k=-18

k=-18/-2

k=+9

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