-2x-y=6 2x-5y=6

-2x-y=6 2x-5y=6 -y = 6 + 2x /-1 y = -6 - 2x 2x - 5 (-6 - 2x) =6 2x + 30 + 10x = 6 12x = 6 - 30 12x = -24 /12 x = -2 y = -6 - 2x y = - 6 - 2 * -2 y = -6 + 4 y = -2 odp: x = -2 , y = -2

-2x-y=6 2x-5y=6 4y=12 y=3 2x-5*3=6 2x-15=6 2x=15+6 2x=21 x=10,5 y=3 x=10,5

{-2x - y = 6 {2x - 5y =6 ------------- -6y = 12 y= -2 -2x-(-2)= 6 -2x + 2 = 6 -2x=4 x=-2