25-y≤15
y≥10
3+3=x
x=6
1+3=?
(A+3)+(7a+-3)
8a
2x≥4+4
x≥4
64/8=x
x=8
6+2=?
=8
10a+8
5+5≥10x
x≥1
49/x=7
x=7
32+x=40
(1a+3)+(2a+1)
3a+4