-7(k-8)+4k=21

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Solution for -7(k-8)+4k=21 equation: 



-7(k-8)+4k=21

We move all terms to the left:

-7(k-8)+4k-(21)=0

We add all the numbers together, and all the variables

4k-7(k-8)-21=0

We multiply parentheses

4k-7k+56-21=0

We add all the numbers together, and all the variables

-3k+35=0

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

-3k=-35

k=-35/-3

k=11+2/3

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