Question

a+b+c=8045..a+c=5629..c+612=b

Answer 1

a+b+c=8045

a+c=5629

6+612=b

rezolvam prima ecuatie

a+b+c=8045

(a+c)+b=8045

5629+b=8045

b=8045-5629

b=2416

mergem la a 3 ecuatie

c+612=b

c=b-612

c=2416-612

c=1804

mergem la a 2 ecuatie

a+c=5629

a=5629-c

a=5629-1804

a=3825