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Mathematics 14 Online
OpenStudy (anonymous):

x2 + y2 = 13 x2 - y2 = 5

OpenStudy (mertsj):

Add the two equations.

OpenStudy (mertsj):

What did you get?

OpenStudy (anonymous):

im confused on how to get the answer there asking for, ill show you the attachment

OpenStudy (mertsj):

Just add the two equations and tell me what you get.

OpenStudy (anonymous):

OpenStudy (anonymous):

y=2,-2 x=3,-3

OpenStudy (mertsj):

|dw:1339890537171:dw|

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