21H=12H-1

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Solution for 21H=12H-1 equation: 


Simplifying
21H = 12H + -1

Reorder the terms:
21H = -1 + 12H

Solving
21H = -1 + 12H

Solving for variable 'H'.

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

Add '-12H' to each side of the equation.
21H + -12H = -1 + 12H + -12H

Combine like terms: 21H + -12H = 9H
9H = -1 + 12H + -12H

Combine like terms: 12H + -12H = 0
9H = -1 + 0
9H = -1

Divide each side by '9'.
H = -0.1111111111

Simplifying
H = -0.1111111111

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