raxevoo raxevoo
  • 05-05-2021
  • Mathematics
contestada

2х + Зу = 5
у= 5 - x
also need method

Respuesta :

tungocnct
tungocnct tungocnct
  • 05-05-2021

Answer:

x=10, y=-5

Step-by-step explanation:

2x+3y=5, y= 5-x; change y to 5-x:

2x+3(5-x)=5

2x-3x+15=5

-x=5-15

-x=-10

x=10

=>y=5-x=5-10=-5

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