{3x-2y=5 {2x-y=4

/3x-2y=5 2x-y=4 |*(-2) /3x-2y=5 -4x+2y=-8 + ------------- -x= -3 x=3 /3x-2y=5 |*2 2x-y=4 |*(-3) /6x-4y=10 -6x+3y= -12 + -------------------- -x= -2 x=2

{3x-2y=5 {2x-y=4/*2 3x-2y=5 6x-2y=8 -3x=-3/ (-3) 6x-2y=8 x=1 -2y=8-6 x=1 -2y=2/ (-2) x=1 y=-1