7=2k-9

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Solution for 7=2k-9 equation: 



7=2k-9

We move all terms to the left:

7-(2k-9)=0

We get rid of parentheses

-2k+9+7=0

We add all the numbers together, and all the variables

-2k+16=0

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

-2k=-16

k=-16/-2

k=+8

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