Question

verify that a+[b+c]=[a+b]+c,if a =6,b=4c=15

Answer 1

a+[b+c] = [a+b]+c

on putting the given values of variables,we get

6+[4+15] = [6+4]+15

6+19 = 10+15

25 = 25

Hence proved

Hope this will help you ✌️