HARDEST QUESTION EVER OMG! (That was my stereotypical teenage girl impression) ;)

Solve the following system using the substitution, elimination, or graphing method for the y coordinate.
x= -4y+3
-x-4y=-3

Respuesta :

x = -4y+3
-x-4y = -3

________________

x+4y = 3
-x-4y = -3

0 = 0 

Possible and determined system (single solution)