- 4

- 0

H

_{o}/ H

_{i}= -S

_{o}/ S

_{i}

The question is if I have this:

0.5/H

_{i}= 2.0/8.0

how do I move the 0.5 numerator to the other side of the equation? What is the algebraic property that describes this? I realize this is a simple question but isn't it always the simple ones that get you?