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8 December, 08:30

12. Determine if the following ordered pair is a solution to the equation. Write yes or no and show your work. 8x-7y=12; (-2,-4) Download pdf

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  1. 8 December, 08:36
    0
    Yes

    Step-by-step explanation:

    If you plug - 2 in for X and - 4 in for Y, you get 8 * (-2) - 7 (-4) = 12 ⇒ - 16 + 28 = 12

    You get 12=12 which is true.
  2. 8 December, 08:39
    0
    Yes because if you plug in - 2 to x and - 4 to y, you get 12.

    8 (-2) - 7 (-4) = (-16) - (-28) = (-16) + (28) = 12
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