His+21=

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Solution for His+21= equation: 


Simplifying
His + 21 = 0

Reorder the terms:
21 + isH = 0

Solving
21 + isH = 0

Solving for variable 'i'.

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

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

Combine like terms: 21 + -21 = 0
0 + isH = 0 + -21
isH = 0 + -21

Combine like terms: 0 + -21 = -21
isH = -21

Divide each side by 'sH'.
i = -21s-1H-1

Simplifying
i = -21s-1H-1

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