30k=90+20k+130

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Solution for 30k=90+20k+130 equation: 



30k=90+20k+130

We move all terms to the left:

30k-(90+20k+130)=0

We add all the numbers together, and all the variables

30k-(20k+220)=0

We get rid of parentheses

30k-20k-220=0

We add all the numbers together, and all the variables

10k-220=0

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

10k=220

k=220/10

k=22

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