7h-28=21

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Solution for 7h-28=21 equation: 


Simplifying
7h + -28 = 21

Reorder the terms:
-28 + 7h = 21

Solving
-28 + 7h = 21

Solving for variable 'h'.

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

Add '28' to each side of the equation.
-28 + 28 + 7h = 21 + 28

Combine like terms: -28 + 28 = 0
0 + 7h = 21 + 28
7h = 21 + 28

Combine like terms: 21 + 28 = 49
7h = 49

Divide each side by '7'.
h = 7

Simplifying
h = 7

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