H+21=2.8

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Solution for H+21=2.8 equation: 


Simplifying
H + 21 = 2.8

Reorder the terms:
21 + H = 2.8

Solving
21 + H = 2.8

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 = 2.8 + -21

Combine like terms: 21 + -21 = 0
0 + H = 2.8 + -21
H = 2.8 + -21

Combine like terms: 2.8 + -21 = -18.2
H = -18.2

Simplifying
H = -18.2

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