Question

a+b=29; b+c=28; c+a=30

Answer 1

a+b=29⇒b=29-a⇒b=29-15.5=3.5
b+c=28⇒29-a+30-a=28⇒2a=31⇒a=31/2⇒a=15.5
a+c=30⇒c=30-a⇒c=30-15.5=4.5
Sper ca am scris corect