{2x+y=5{3x-4y=2...................

Question

{2x+y=5
{3x-4y=2
...................

Answer 1

У=5-2х
3х-4у=2
3х-4(5-2х)=2
3х-20+8х-2=0
11х=22
х=2
у=5-(2*2)
у=1