Question

Bracket start a + b bracket close + c is equals to a + bracket start b + c bracket close answer

Answer 1

Yes , this is true because of the associative law for addition
(a+b)+c = a+(b+c)

For example

Let a=1
b=2
c=3

(1+2) +3= 1+(2+3)
3+3= 1+5
6=6

Hence proven.

Hope this helps you