30+80k=90k+3

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Solution for 30+80k=90k+3 equation: 



30+80k=90k+3

We move all terms to the left:

30+80k-(90k+3)=0

We get rid of parentheses

80k-90k-3+30=0

We add all the numbers together, and all the variables

-10k+27=0

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

-10k=-27

k=-27/-10

k=2+7/10

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