84=21h

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Solution for 84=21h equation:


Simplifying
84 = 21h

Solving
84 = 21h

Solving for variable 'h'.

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

Add '-21h' to each side of the equation.
84 + -21h = 21h + -21h

Combine like terms: 21h + -21h = 0
84 + -21h = 0

Add '-84' to each side of the equation.
84 + -84 + -21h = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -21h = 0 + -84
-21h = 0 + -84

Combine like terms: 0 + -84 = -84
-21h = -84

Divide each side by '-21'.
h = 4

Simplifying
h = 4

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