20k+7=10k+80

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Solution for 20k+7=10k+80 equation: 



20k+7=10k+80

We move all terms to the left:

20k+7-(10k+80)=0

We get rid of parentheses

20k-10k-80+7=0

We add all the numbers together, and all the variables

10k-73=0

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

10k=73

k=73/10

k=7+3/10

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