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Mathematics 7 Online
OpenStudy (anonymous):

need help solving this solution -2x+2y=-2 3x-3y=12 this is how far I got (3)-2x+2y=-2(3) (2)3x-3y=12(2) new problem -6x+6y=-6 6x-6y=24 _____________

OpenStudy (anonymous):

|dw:1381793494416:dw| sub for y and solve

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