30k+60=10k+90

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Solution for 30k+60=10k+90 equation: 



30k+60=10k+90

We move all terms to the left:

30k+60-(10k+90)=0

We get rid of parentheses

30k-10k-90+60=0

We add all the numbers together, and all the variables

20k-30=0

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

20k=30

k=30/20

k=1+1/2

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