Question 143119
x+4y=0 or x=-4y
-x+2y=6
-(-4y)+2y=6
4y+2y=6
6y=6
y=6/6
y=1 answer.
x+4y=0
x+4*1=0
x+4=0
x=-4 answer.
proof:
-(-4)+2*1=6
4+2=6
6=6