lylyboo27 lylyboo27
  • 17-09-2021
  • Mathematics
contestada


1. Consider this system of equations.
3x + 5y = 7
2x -y =9

Respuesta :

anasweeney43 anasweeney43
  • 17-09-2021

Answer:

x = 4

y = -1

Step-by-step explanation:

3x + 5y = 7

5(2x - y = 9). = 10x - 5y = 45 (add the equations)

13x = 52. X = 4

3 (4) + 5y = 7

12 + 5y = 7

5y = 7 - 12

y = -5/5. y = -1

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