7K-3K=20

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Solution for 7K-3K=20 equation: 


Simplifying
7K + -3K = 20

Combine like terms: 7K + -3K = 4K
4K = 20

Solving
4K = 20

Solving for variable 'K'.

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

Divide each side by '4'.
K = 5

Simplifying
K = 5

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