How to solve systems with elimination?
5x - 2y = 28
-20x + 8y = -100
I know that if there are two of the same variable then they cancel and then it is easy to solve when you add the equations together, but what if neither equation has corresponding variables???

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you have to make them become corresponding
5x-2y= 28 (multiply by 8 ) = 80x-16y =224

How are those corresponding :s

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