3(2k-7)=57

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Solution for 3(2k-7)=57 equation: 



3(2k-7)=57

We move all terms to the left:

3(2k-7)-(57)=0

We multiply parentheses

6k-21-57=0

We add all the numbers together, and all the variables

6k-78=0

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

6k=78

k=78/6

k=13

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