👤

va roooooooooggggg!!!!!​

Va Roooooooooggggg class=

Răspuns :

a-Andreea

b-Bogdan

c-Camelia

a+b+c=30

b=2+a

a+b=2+c⇒a+2+a=2+c⇒2+2a=2+c⇒2a=c⇒c=2a

a+2+a+2a=30⇒4a=30-2⇒4a=28⇒a=7 mere