I have a formula(adsbygoogle = window.adsbygoogle || []).push({});

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?

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# Quick question about numerators

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