7k-21=-133

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Solution for 7k-21=-133 equation: 



7k-21=-133

We move all terms to the left:

7k-21-(-133)=0

We add all the numbers together, and all the variables

7k+112=0

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

7k=-112

k=-112/7

k=-16

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