K-7-8k=21

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Solution for K-7-8k=21 equation: 


Simplifying
K + -7 + -8k = 21

Reorder the terms:
-7 + K + -8k = 21

Solving
-7 + K + -8k = 21

Solving for variable 'K'.

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

Add '7' to each side of the equation.
-7 + K + 7 + -8k = 21 + 7

Reorder the terms:
-7 + 7 + K + -8k = 21 + 7

Combine like terms: -7 + 7 = 0
0 + K + -8k = 21 + 7
K + -8k = 21 + 7

Combine like terms: 21 + 7 = 28
K + -8k = 28

Add '8k' to each side of the equation.
K + -8k + 8k = 28 + 8k

Combine like terms: -8k + 8k = 0
K + 0 = 28 + 8k
K = 28 + 8k

Simplifying
K = 28 + 8k

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