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Mathematics 7 Online
OpenStudy (mwhit2101):

2x + y = 5 and −2x + y = 2 −2x − y = −5 and 2x − y = 2 −x + y = 3 and −3x + y = −5 x + y = 3 and 3x − y = 5

OpenStudy (mwhit2101):

The point (2, 1) is a solution to which of the following systems of equations?

OpenStudy (anonymous):

the last one

OpenStudy (mwhit2101):

Explain, please?

OpenStudy (anonymous):

just in case if I'm wrong, plug 2 in for x and 1 for y

OpenStudy (mwhit2101):

ohh I get it now. I guess I hadn't understood the question. Thakns! I'm pretty sure you're right.

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