Răspuns :
( a + b ) : 2 = 11 => a + b = 22 => b + 8 + b = 22 | - 8
2b = 14 => b = 7
A = b + 8 => a = 15
2b = 14 => b = 7
A = b + 8 => a = 15
(a+b):2=11
a=b-8
(b-8+b):2=11 => 2b-8= 22 => 2b= 30 => b=15
a=15-8=7
a=b-8
(b-8+b):2=11 => 2b-8= 22 => 2b= 30 => b=15
a=15-8=7