Respuesta :

y=-3x+4

x=2y+6

y + 3x =4

-2 + =6

x= 2y +6

y+3.(2y+6)=4

7y = -14

7y=-14

y=-2

y=-2

x=2y+6

x=2(-2)+6=2

solution is {y,x}= {-2,2}