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Mathematics 20 Online
OpenStudy (anonymous):

-12x-18y=-30 8x+12y=0 is the answer (1,-9), (1,-7), no solution or infinitely many solutions?

OpenStudy (triciaal):

divide the 1st eqn by 6 and the 2nd eqn by 4 -2x -3y = 5 and -2x-3y = 0 0 is not = 5 and therefore no solution

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