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Mathematics 9 Online
OpenStudy (anonymous):

Medal and fan! Solve the system of equations by using substitution (and could you please show your work?) x - 3y = 9 x + 2y = -1

OpenStudy (asad786):

0 - 3 times 3 =9

OpenStudy (asad786):

-1 plus 2 times 0 = -1

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