d) 2x-3y=0 x-2y=-2

2x-3y=0 x-2y=-2 2x=3y/:2 x=1,5y 1,5y-2y=-2 -0,5y=-2/ -0.5 y= 4 x=1,5 *4=6 y=4

2x-3y=0 x-2y=-2 2x-3y=0 x=-2+2y 2(-2+2y)-3y=0 x=-2+2y -4+4y-3y=0 x=-2+2y y=0+4 x=-2+2y y=4 x=-2+2*4 y=4 x=6