7k-3=9k-9

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Solution for 7k-3=9k-9 equation: 



7k-3=9k-9

We move all terms to the left:

7k-3-(9k-9)=0

We get rid of parentheses

7k-9k+9-3=0

We add all the numbers together, and all the variables

-2k+6=0

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

-2k=-6

k=-6/-2

k=+3

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