3(k-9)=15

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Solution for 3(k-9)=15 equation: 



3(k-9)=15

We move all terms to the left:

3(k-9)-(15)=0

We multiply parentheses

3k-27-15=0

We add all the numbers together, and all the variables

3k-42=0

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

3k=42

k=42/3

k=14

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