H+-21=-66

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Solution for H+-21=-66 equation: 


Simplifying
H + -21 = -66

Reorder the terms:
-21 + H = -66

Solving
-21 + H = -66

Solving for variable 'H'.

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

Add '21' to each side of the equation.
-21 + 21 + H = -66 + 21

Combine like terms: -21 + 21 = 0
0 + H = -66 + 21
H = -66 + 21

Combine like terms: -66 + 21 = -45
H = -45

Simplifying
H = -45

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