30-30k=50

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Solution for 30-30k=50 equation: 



30-30k=50

We move all terms to the left:

30-30k-(50)=0

We add all the numbers together, and all the variables

-30k-20=0

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

-30k=20

k=20/-30

k=-2/3

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