-k+9=-7-5k

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Solution for -k+9=-7-5k equation: 



-k+9=-7-5k

We move all terms to the left:

-k+9-(-7-5k)=0

We add all the numbers together, and all the variables

-k-(-5k-7)+9=0

We add all the numbers together, and all the variables

-1k-(-5k-7)+9=0

We get rid of parentheses

-1k+5k+7+9=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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