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Posted by on Monday, July 25, 2011 at 9:39pm.

solve by the elimination method:

9x-9y=18

7y-3x=-8

please solve step by step
thank you for your help

  • math - , Tuesday, July 26, 2011 at 12:20pm

    Multiply second equation by 3.

    21y-9x = 24

    Add the two equations.

    12y = 42

    I hope you can take it from here.

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