28=k+16-2k-9

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Solution for 28=k+16-2k-9 equation: 



28=k+16-2k-9

We move all terms to the left:

28-(k+16-2k-9)=0

We add all the numbers together, and all the variables

-(-1k+7)+28=0

We get rid of parentheses

1k-7+28=0

We add all the numbers together, and all the variables

k+21=0

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

k=-21

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