betseydemarcus betseydemarcus
  • 27-04-2020
  • Mathematics
contestada

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)

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jgutierrezhernan jgutierrezhernan
  • 27-04-2020

Answer:

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.

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ohohoh2
ohohoh2 ohohoh2
  • 27-04-2020
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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