7k-2k=20

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Solution for 7k-2k=20 equation: 


Simplifying
7k + -2k = 20

Combine like terms: 7k + -2k = 5k
5k = 20

Solving
5k = 20

Solving for variable 'k'.

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

Divide each side by '5'.
k = 4

Simplifying
k = 4

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