4x-5y=6
5y+2x=18
5y=4x-6
4x-6+2x=18
6x=24
x=4
5y=4*4-6
5y=10
y=2
4х - 5у =6
5у + 2х = 18
4х=6+5у
х=(6+5у)/4
5у+2(6+5у)=18
10у+6+5у=36
25у=36-6
25у=30
у=1,2
х=(6+5*1,2)/4=3
х=3; у=1,2
4x-5y=6
5y+2x=18
5y=4x-6
4x-6+2x=18
5y=4x-6
6x=24
5y=4x-6
x=4
5y=4*4-6
x=4
5y=10
x=4
y=2
x=4
4х - 5у =6
5у + 2х = 18
4х=6+5у
х=(6+5у)/4
5у+2(6+5у)=18
10у+6+5у=36
25у=36-6
25у=30
у=1,2
х=(6+5*1,2)/4=3
х=3; у=1,2