Question

Ajutati ma va rog si va dau 45 puncte ​

Answer 1

a + b = 38

5 + c = a

9 + c = b

(5 + c) + (9 + c)= 38

5 + c + 9 + c = 38

14 + 2c = 38

2c = 38 - 14

2c = 24

c = 12

a = 5 + 12 = 17

b = 9 + 12 = 21

Răspuns: a = 17 ; b = 21 ; c = 12