13k-4=3(3k+4)

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Solution for 13k-4=3(3k+4) equation: 



13k-4=3(3k+4)

We move all terms to the left:

13k-4-(3(3k+4))=0



We calculate terms in parentheses: -(3(3k+4)), so:

3(3k+4)

We multiply parentheses

9k+12

Back to the equation:

-(9k+12)



We get rid of parentheses

13k-9k-12-4=0

We add all the numbers together, and all the variables

4k-16=0

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

4k=16

k=16/4

k=4

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