h+21=21

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Solution for h+21=21 equation: 


Simplifying
h + 21 = 21

Reorder the terms:
21 + h = 21

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

Combine like terms: 21 + -21 = 0
0 + h = 21 + -21
h = 21 + -21

Combine like terms: 21 + -21 = 0
h = 0

Solving
h = 0

Solving for variable 'h'.

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

Simplifying
h = 0

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