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Mathematics 18 Online
OpenStudy (anonymous):

Given the system of equations, what is the solution? x + 2y = 7 x - 2y = -1 a. {(-8, -12)} b. {(3, 2)} c. {(-4, 6)}

geerky42 (geerky42):

You can "add equation" like this:|dw:1433110131529:dw|

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