chino54 chino54
  • 04-02-2019
  • Mathematics
contestada

Solve 2x+y=3 x+y=5 in substitution method

Respuesta :

Kampe Kampe
  • 06-02-2019
2x+y=3
- x+y=5
---------------
x=-2

2(-2)+y=3
y=7

-2+y=5
y=7

(-2,7)
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