k-8=21

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Solution for k-8=21 equation: 


Simplifying
k + -8 = 21

Reorder the terms:
-8 + k = 21

Solving
-8 + k = 21

Solving for variable 'k'.

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

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

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

Combine like terms: 21 + 8 = 29
k = 29

Simplifying
k = 29

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