rozwiąz uklady równan dowolna metoda : y+2-(3-x)=0 x-2=5-(2-y)

y+2-(3-x)=0 x-2=5-(2-y) y+2-3+x=0 x-2=5-2+y x+y=-1 x-y=5 2x=4 x=2 x+y=-1 2+y=-1 |-2 y=-3 x=2

y+2-(3-x)=0 x-2=5-(2-y ) y +2 -3 +x = 0 x -2 = 5 -2 + y y + x -1 =0 x -2 -3 -y = 0 y +x = 1 x -y = 5 x = 1 -y 1 -y -y = 5 x = 1 -y -2y = 5 -1 x = 1-y -2y = 4 x = 1 - y y = 4 : (-2) x = 1 -y y = -2 x = 1 -(-2) = 1 +2 = 3 y = -2 x = 3 y = -2