Răspunsuri

2014-03-31T19:20:28+03:00
A+b=37
(a-5)/2=b+4
a-5= 2b+8
a=2b+8+5
a=2b+13

2b+13+b=37
3b=37-13
3b=24
b=24/3
b=8

a=2x8+13
a=16+13
a=29