{-3x+2y=19 |
{4x+y=-29 | ×(-2)
{-3х+2у=19
{-8х-2у=58
-11х=77
-х=7
х=-7
-3×(-7)+2у=19
21+2у=19
2у=19-21
2у=-2
у=-1
________________________
Удачи вам!))))
{-3x+2y=19 |
{4x+y=-29 | ×(-2)
{-3х+2у=19
{-8х-2у=58
-11х=77
-х=7
х=-7
-3×(-7)+2у=19
21+2у=19
2у=19-21
2у=-2
у=-1
________________________
Удачи вам!))))