Respuesta :
					                   For lines to be parallel they must have the same slope...
2x+2y=4
x+y=2
y=-x+2 so the slope is -1 and the other equation is
y=-x+5 so it also has a slope of -1 thus:
The two lines are parallel to each other.
					                
					             2x+2y=4
x+y=2
y=-x+2 so the slope is -1 and the other equation is
y=-x+5 so it also has a slope of -1 thus:
The two lines are parallel to each other.
 
			                  