PappyChulo420
PappyChulo420 PappyChulo420
  • 20-01-2021
  • Mathematics
contestada

Evaluate -5x+7y when x=-3 y=-4

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emmahu20208
emmahu20208 emmahu20208
  • 20-01-2021

Answer:

17

Step-by-step explanation:

-5x + 7y

now if we plug in the numbers--

15  ✕ 3 + 7  ✕ (-4)

= 45 - 28

= 17

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tammybrunger tammybrunger
  • 20-01-2021
So u have to replace the x with 3 and the y with 4 so this is the answer -5x3+7x4=13
Ver imagen tammybrunger
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