21K=13K+720

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Solution for 21K=13K+720 equation: 


Simplifying
21K = 13K + 720

Reorder the terms:
21K = 720 + 13K

Solving
21K = 720 + 13K

Solving for variable 'K'.

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

Add '-13K' to each side of the equation.
21K + -13K = 720 + 13K + -13K

Combine like terms: 21K + -13K = 8K
8K = 720 + 13K + -13K

Combine like terms: 13K + -13K = 0
8K = 720 + 0
8K = 720

Divide each side by '8'.
K = 90

Simplifying
K = 90

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