2х+3у-6=0
1)х=3;у=0;
2×3+0×3-6=-3+9-6=0
2)х=0;у=2;
2×0+2×3-6=-3+9-6=0
2х+3х-6=0
3)х=-1,5;у=3;
2×(-1,5)+3×3-6=-3+9-6=0
4)х=9;у=-4
2×9+(-4)×3-6=-3+9-6=0
2х+3у-6=0
1)х=3;у=0;
2×3+0×3-6=-3+9-6=0
2х+3у-6=0
2)х=0;у=2;
2×0+2×3-6=-3+9-6=0
2х+3х-6=0
3)х=-1,5;у=3;
2×(-1,5)+3×3-6=-3+9-6=0
2х+3у-6=0
4)х=9;у=-4
2×9+(-4)×3-6=-3+9-6=0