Kaitlin M.
asked • 03/18/21What i need answered
4x + 8y = 20
-4x + 2y = -30
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1 Expert Answer
Jon S. answered • 03/20/21
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Patient and Knowledgeable Math and English Tutor
Add two equations together. x terms will cancel and you can solve for y.
substitute value of y into either one of these two equations to solve for x.
you should get as you answer y = -1 and x = 7.
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Paul M.
03/18/21