Jawabanmu

2014-05-19T13:55:07+07:00
A+B=35
24,5+10,5=35

A-B=14
24,5-10,5=14

A=24,5
B=10,5
2014-05-19T14:34:48+07:00
A + b = 35   
a - b  = 14   
____________ +
2a = 49
a = 24,5

a + b = 35
24,5 + b = 35
b = 10,5