Respuesta :

Answer:

x=10

y=5

Step-by-step explanation:

Plugin 2y for x in the first equation.

you will get -4(2y)+11y=15

then you have -8y+11y=15

3y=15

y=5

x=2y, so x=10

0615112971

Answer:

x = 10

Step-by-step explanation:

y = 5