3(2k+9)=72-3k

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Solution for 3(2k+9)=72-3k equation: 



3(2k+9)=72-3k

We move all terms to the left:

3(2k+9)-(72-3k)=0

We add all the numbers together, and all the variables

3(2k+9)-(-3k+72)=0

We multiply parentheses

6k-(-3k+72)+27=0

We get rid of parentheses

6k+3k-72+27=0

We add all the numbers together, and all the variables

9k-45=0

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

9k=45

k=45/9

k=5

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