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Mathematics 20 Online
OpenStudy (anonymous):

Would 5x-2y=21 3x+8y=8 give you 4,-1/2? Please and Thank you.

OpenStudy (anonymous):

well plug in 4 as x, and y as-1/2 and see if they equal 21 and 8

OpenStudy (anonymous):

No? But i'm not sure.

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