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Mathematics 7 Online
OpenStudy (anonymous):

What is the value of the system determinant? 2x - y = 0 x + y = -3 3 -6 -3 10

OpenStudy (anonymous):

-3?

OpenStudy (ash2326):

2x-y=0 x+y=-3 \[2\ -1\] \[1\ +1\] |dw:1336969590349:dw|

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