3(3k-4)=20+k

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Solution for 3(3k-4)=20+k equation: 



3(3k-4)=20+k

We move all terms to the left:

3(3k-4)-(20+k)=0

We add all the numbers together, and all the variables

3(3k-4)-(k+20)=0

We multiply parentheses

9k-(k+20)-12=0

We get rid of parentheses

9k-k-20-12=0

We add all the numbers together, and all the variables

8k-32=0

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

8k=32

k=32/8

k=4

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