7(k+4)=77

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Solution for 7(k+4)=77 equation: 



7(k+4)=77

We move all terms to the left:

7(k+4)-(77)=0

We multiply parentheses

7k+28-77=0

We add all the numbers together, and all the variables

7k-49=0

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

7k=49

k=49/7

k=7

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