7k-21k=

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Solution for 7k-21k= equation: 


Simplifying
7k + -21k = 0

Combine like terms: 7k + -21k = -14k
-14k = 0

Solving
-14k = 0

Solving for variable 'k'.

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

Divide each side by '-14'.
k = 0

Simplifying
k = 0

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