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11 July, 04:40

What is the solution of the system? {5x-y=-21 x+y=-3 Enter your answer in the boxes. ((,)

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  1. 11 July, 06:13
    0
    5x - y = - 21

    y = 5x + 21

    Substituting into:

    x + y = - 3

    x + 5x + 21 = - 3

    6x = - 24

    x = - 4

    y = 5 (-4) + 21

    y = 1

    Solution: (-4,1)
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