x-y=0 6x-y=5 oblicz metodom poctawiania za to zadańe dam naj:

x-y=0 6x-y=5 -y=0-x 6x-y=5 y=x 6x-x=5 y=x 5x=5 y=x x=1 y=1 x=1

x-y=0 6x-y=5 x=0+y 6(o+y)-y=5 x=0+y 0+6y-y=5 x=0+y 5y=5/: x=0+y y=1 x=1

x-y=0 6x-y=5 y=-6x+5 x-6x+5=0 -5x+5=0/ +5x 5=5x/5 1=x 6x-y=5 6*1-y=5 6-y=5/+y 6=5+y/-5 1=y :))