-4k=-7k-9

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Solution for -4k=-7k-9 equation: 



-4k=-7k-9

We move all terms to the left:

-4k-(-7k-9)=0

We get rid of parentheses

-4k+7k+9=0

We add all the numbers together, and all the variables

3k+9=0

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

3k=-9

k=-9/3

k=-3

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