1
_ y -x = -2
3

3y+3=1,5

{1/3*y-x=-2⇒y-3x=-6{3y+3=1,5⇒3y=3-1,5⇒3y=1,5⇒y=1,5:3⇒y=0,50,5-3x=-63x=0,5+63x=6,5x=6,5:3x=2 1/6(2 1/6;0,5)