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Mathematics 20 Online
OpenStudy (smarty):

What does y equal in the solution of the system of equations? –2x + y + 6z = 1 3x + 2y + 5z = 16 7x + 3y – 4z = 11 A. –3 B.–1 C.2 D.4

OpenStudy (earthcitizen):

A

OpenStudy (smarty):

Thanks~

OpenStudy (earthcitizen):

no p

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