|х|+3=5, |у|-2=1, |2х|+3=9, |5у|-4=6, 4+|3у|=7

1) lxl=5-3
lxl=2
x₁=2
x₂=-2
2) lyl=1+2
lyl=3
y₁=3
y₂=-3
3) l2xl=9-3
l2xl=6 
x=+-3
4) l5yl=6+4
l5yl=10
5lyl=10
lyl=2
y=2
y=-2
5)3lyl=7-4
lyl=3:3
y=1
y=-1