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7 November, 19:47

What is the slove system of linear equation by elimination of x+y=2 and 2x+7y=9

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  1. 7 November, 22:33
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    Now, adding the two together, we get:

    5y=5

    So y=1. To find x, we just plug in y=1 to either equation.

    x%2B1=2

    So x=1. Thus the solution is (1,1)
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