-12k+9=87

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Solution for -12k+9=87 equation: 



-12k+9=87

We move all terms to the left:

-12k+9-(87)=0

We add all the numbers together, and all the variables

-12k-78=0

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

-12k=78

k=78/-12

k=-6+1/2

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