Respuesta :

Answer:

X= 3

Step-by-step explanation:

Substitute the value of 2y

2y=10-4x

solve below

2x-(10-4x)=y

x=3

you can stop there!

Answer:

x=2

Step-by-step explanation:

2 (4x+2y=10            8x+4y=20

-4 (2x-2y=8             -8x+8y=-32

                                    12y=-12 y=1

4x+2=10

4x=8

x=2