21h+30=72

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Solution for 21h+30=72 equation: 


Simplifying
21h + 30 = 72

Reorder the terms:
30 + 21h = 72

Solving
30 + 21h = 72

Solving for variable 'h'.

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

Add '-30' to each side of the equation.
30 + -30 + 21h = 72 + -30

Combine like terms: 30 + -30 = 0
0 + 21h = 72 + -30
21h = 72 + -30

Combine like terms: 72 + -30 = 42
21h = 42

Divide each side by '21'.
h = 2

Simplifying
h = 2

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