4(k-81)=36

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Solution for 4(k-81)=36 equation: 



4(k-81)=36

We move all terms to the left:

4(k-81)-(36)=0

We multiply parentheses

4k-324-36=0

We add all the numbers together, and all the variables

4k-360=0

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

4k=360

k=360/4

k=90

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