-3k-4K=-21

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Solution for -3k-4K=-21 equation: 


Simplifying
-3k + -4K = -21

Reorder the terms:
-4K + -3k = -21

Solving
-4K + -3k = -21

Solving for variable 'K'.

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

Add '3k' to each side of the equation.
-4K + -3k + 3k = -21 + 3k

Combine like terms: -3k + 3k = 0
-4K + 0 = -21 + 3k
-4K = -21 + 3k

Divide each side by '-4'.
K = 5.25 + -0.75k

Simplifying
K = 5.25 + -0.75k

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