Question

Даю 15 балов пж помощ хыыыы

Answer 1

{4х-3у=5,|*3............{12х-9у=15,
{3х+4у=10;|*4..........{12х+16у=40.
....12х-9у=15
...-
....12х+16у=40
....-----------------
.........-25у=-25
....................у=1
4х-3у=5, у=1
4х-3*1=5
4х-3=5
4х=5+3
4х=8 |:4
х=2
Ответ: (2;1)