Equation
Part of speech: noun
Definition: An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to determine a particular quantity. A small correction to observed values to remove the effects of systematic errors in an observation.
Example sentence: There's a reason the Panthers have been successful over the years and Cam Newton's a big factor in that equation. He does a great job.
Equating
Part of speech: verb
Definition: To consider equal or equivalent.