x=y-6
2x+2y=60
2(y-6)+2y=60
2y-12+2y=60
4y=72
y=18
x=18-6=12
x=y-62x+2y=602(y-6)+2y=602y-12+2y=604y=72y=18x=18-6=12
ответ
x=y-6
2x+2y=60
2(y-6)+2y=60
2y-12+2y=60
4y=72
y=18
x=18-6=12
x=y-6
2x+2y=60
2(y-6)+2y=60
2y-12+2y=60
4y=72
y=18
x=18-6=12
ответ