9h-6h=21

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Solution for 9h-6h=21 equation: 


Simplifying
9h + -6h = 21

Combine like terms: 9h + -6h = 3h
3h = 21

Solving
3h = 21

Solving for variable 'h'.

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

Divide each side by '3'.
h = 7

Simplifying
h = 7

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