SOLUTION: what is eliminatoin and substitution and how do i do it if i am having problems with it?

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Question 386666: what is eliminatoin and substitution and how do i do it if i am having problems with it?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
There are many of these solved on the site.
Look them up, or post an example.