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Mathematics 10 Online
OpenStudy (anonymous):

Choose the value of the x determinant (Dx) in the following system. 3x – 4y = –7 x + y = 7

OpenStudy (anonymous):

so do I multiply it?

OpenStudy (anonymous):

A. 21 B. 28 C. –14 D. –35

OpenStudy (anonymous):

So the answer is 28?

OpenStudy (anonymous):

okay, thanks!!!

OpenStudy (experimentx):

what's x determinant (Dx) ??

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