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Mathematics 8 Online
OpenStudy (ledah):

solving systems of equations x-y=-3 x+y=9

OpenStudy (ledah):

3 and -3 right?

OpenStudy (anonymous):

No. 2x = 6, x = 3 y = 9 - 3 = 6

OpenStudy (ledah):

oh thanks.

OpenStudy (anonymous):

Thank you for the medal.

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