4x-y=3 y=4x-3 y=4x-3 4*(6+y)-y=3 24+4y-y=33 3y=3-24 y=-7
x-y=6 =>x-y=6 => x=6+y => x=6+y => x=6+y => x=6+y => x=-1
4х-у=3
х-у=6
х=6+у
4*(6+у)-у=3
24+4у-у=3
3у=-21
у=-7
х=6-7
х=-1
4x-y=3 y=4x-3 y=4x-3 4*(6+y)-y=3 24+4y-y=33 3y=3-24 y=-7
x-y=6 =>x-y=6 => x=6+y => x=6+y => x=6+y => x=6+y => x=-1
4х-у=3
х-у=6
4х-у=3
х=6+у
4*(6+у)-у=3
х=6+у
24+4у-у=3
х=6+у
3у=-21
х=6+у
у=-7
х=6+у
у=-7
х=6-7
у=-7
х=-1