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Mathematics 20 Online
OpenStudy (anonymous):

solve using two different methods. A. 3x-9y=3 6x-3y=-24 B. 7x-3y=20 5x+3y=16 C. y=1/2x-6 2x+6y=19

OpenStudy (anonymous):

use matrices and algebra

OpenStudy (anonymous):

well i know that part but this has just really stumped me

OpenStudy (anonymous):

|dw:1358483401240:dw| whats hard in this

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