rayflcres
rayflcres rayflcres
  • 27-05-2020
  • Mathematics
contestada

3x - 5y = 7
2x + 5y = 13

Respuesta :

rmcc3002
rmcc3002 rmcc3002
  • 27-05-2020

Answer:

x = 4, y = 3/5

Step-by-step explanation:

3x - 5y = 7

2x + 5y = 13

add the equations

5x = 20

x = 4

plug in x for one of the equations

2(5) + 5y = 13

10 + 5y = 13

5y = 3

y = 3/5

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