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Mathematics 15 Online
OpenStudy (anonymous):

Use the matrix tool to solve the system of equations. Choose the correct ordered pair. x - 3y = -23 5x + 6y = 74 A. (7, 12) B. (4, 9) C. (4, 7) D. (7, 10)

Parth (parthkohli):

2x - 6y = -46 to eliminate one variable. Adding equations: 7x = 28 x = 4 20 + 6y = 74 y = 9 B. 4,9

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