granadossheyla123 granadossheyla123
  • 14-05-2020
  • Mathematics
contestada

Which of these systems of equations has a solution of (6,−7)?

A
x−2y=20
2x−y=19
B
x−2y=20
2x+y=19
C
x+2y=20
2x−y=19
D
x+2y=20
2x+y=19

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Respuesta :

catalinamora20041
catalinamora20041 catalinamora20041
  • 15-05-2020

Answer:

A.

x-2y=20

2x-y=19

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