5(k-81)=15

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Solution for 5(k-81)=15 equation: 



5(k-81)=15

We move all terms to the left:

5(k-81)-(15)=0

We multiply parentheses

5k-405-15=0

We add all the numbers together, and all the variables

5k-420=0

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

5k=420

k=420/5

k=84

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