Respuesta :

Answer:

  • Choice b.

Step-by-step explanation:

Replace (x, y) with (1, 1) and verify if the equations are correct.

You would ignore the x and y in the equations. Testing one of each pair.

  • a. 3 + 2 = 3, incorrect
  • b. 7 + 2 = 9, correct
  • c. 8 + 1 = 7, incorrect
  • d. 8 - 2 = 4, incorrect

It is obvious that only b. is correct.

Choice b because it it now where’s my brainliest

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