Question

2x – Зу = 12,
3х + 2y = 5;
Сооос

Answer 1

{2х-3у=12, |*3

{3х+2у=5 |*(-2)

{6х-9у=36

{-6х-4у=-10

_____________

-13у=26; у=-2

-6х-4*2=-10;

-6х-8=-10;

-6х=-10+8;

-6х=-2;

х=3.

(3; -2).