Respuesta :

Answer:

x = 1 and y = 7

Step-by-step explanation:

First, you substitute the y into the first equation

-5x+2(7x)=9

-5x+14x=9

9x=9

x=1

Then put the x into the equation to find y

This is if you substitute using the second equation

y=7(1)

y=7