Seudónimo Seudónimo
  • 11-12-2019
  • Mathematics
contestada

x + 3y = 6
2x - 7y = -1

Respuesta :

Yang100
Yang100 Yang100
  • 11-12-2019

Answer:

x=3, y=1. (3, 1).

Step-by-step explanation:

x+3y=6

2x-7y=-1

------------

x=6-3y

2(6-3y)-7y=-1

12-6y-7y=-1

12-13y=-1

13y=12-(-1)

13y=12+1

13y=13

y=13/13

y=1

x+3(1)=6

x+3=6

x=6-3

x=3

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