{х+3у=2. |*(-3)
{3х+2у=24
{-3х-9у=-6
-7у=18
у=-18/7 (-2 4/7)
{у=-18/7
{3х+2*-18/7=24
3х+2*-18/7=24
3х-36/7=24
3х=29 1/7
х= 68/7. (9 5/7)
{у=-2 4/7
{х= 9 5/7
ответ : (9 5/7;-2 4/7)
{х+3у=2. |*(-3)
{3х+2у=24
{-3х-9у=-6
{3х+2у=24
-7у=18
у=-18/7 (-2 4/7)
{у=-18/7
{3х+2*-18/7=24
3х+2*-18/7=24
3х-36/7=24
3х=29 1/7
х= 68/7. (9 5/7)
{у=-2 4/7
{х= 9 5/7
ответ : (9 5/7;-2 4/7)