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Which pair are solutions to the equation?

4xy + 8 = 36
  A.(4, 9) and (3, 2)  B.(1, 7) and (4, 9)  C.(1, 7) and (7, 1)  D.(7, 1) and (3, 2) I think it's C am i correct if not explain please ^-^


Sagot :

theres a way to check. just plug in the numbers (1 and 7) for x and y and see if it works out to 36.

Answer:

C is the correct answer, it is the only one that works


Step-by-step explanation: