Kaitlin M.
asked • 03/18/21What I need answered
7x + 2y = 24
8x + 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
7x + 2y = 24
8x + 2y = 30
subtract 2nd equation from 1st and solve for x:
-x = -6
x = 6
substitute 6 for x in 1st equations an solve for y
7(6) + 2y = 24
42 + 2y = 24
2y = -18
y = -9
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Paul M.
03/18/21