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Mathematics 19 Online
OpenStudy (anonymous):

Use the substitution method to solve the system of equations. Choose the correct ordered pair. 3x - y = 7 2x - 2y = 2 A. (2, 2) B. (3, -1) C. (3, 2) D. (2, -2)

Nnesha (nnesha):

you have to solve one of equation for one variable first one is easy so solve first equation for y

Nnesha (nnesha):

subtract 3x both side |dw:1421013268831:dw| and divide both side by -1 let me know what you get

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