Question

y-x=6 y-3x=4

x+y=2
2x+2y=4
​

Answer 1

Respuesta:

1. la foto

2. x+y-y=2-y

x=2-y

3. 2x+2y=4

2x+2y-2y=4-2y

2x/2=4/2-2y/2

x=2-y