7=-4k+-9

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



7=-4k+-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

4k+9+7=0

We add all the numbers together, and all the variables

4k+16=0

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

4k=-16

k=-16/4

k=-4

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