Question

1){х+у=5
{х+3у=10

2){х+у=5
{х+3у=11

3){х+4у=-2
{х-у=-7

4){х-3у=5
{х+2у=10

5){х+2у=5
{х+6у=13

6){2х+5у=-12
{2х-6у=4
ПЖ СРОЧНО​

Answer 1

Ответ:

1) (5/2; 5;2)

2) (2; 3)

3) (-6; 1)

4) (8; 1)

5) (17/2; 3/4)

6) ( -26/11 ; -16/11)