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March 30, 2017

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Solve using elimination method

x+5y=21
-x+5y=19

  • math - ,

    Add the two equations together, by adding the left and right sides separately. That gives you
    10y = 40.

    Next divide both sides by 10 for the value of x.

    Once you know x, substitute its value into either of your original equations to calculate y.

  • math - ,

    So would the ordered pair be (1,4)?

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