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13 September, 15:13

Use elimination to solve this system of equations. X-4y=-11 and 5x-7y=-10

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  1. 13 September, 18:20
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    X-4y=-11 - 5x + 20y = 55

    5x - 7y = - 10

    =>0*x + 13*y = 45 = > y = 45/13 = > x = 4 * (45/13) - 11 = 180/13 - 11 = >

    x = 37/13;
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