-8k+k=21

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Solution for -8k+k=21 equation: 


Simplifying
-8k + k = 21

Combine like terms: -8k + k = -7k
-7k = 21

Solving
-7k = 21

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Divide each side by '-7'.
k = -3

Simplifying
k = -3

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