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10x + 9y = - 17

10x - 2y = 16

what is the solution

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Answers (1)
  1. 11 June, 01:53
    0
    x = 1 and y = - 3

    Step-by-step explanation:

    Subtract eqn 1 from eqn 2

    11y = - 33

    y = - 3

    Substituting y into eqn 2 ...

    10x - 2 (-3) = 16

    10x + 6 = 16

    10x = 10

    x = 1
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