Question

If a=-5, b=-6 and c=8, then show (a+b)+c=a+(b+c)

Answer 1

-3=-3

Step-by-step explanation:

=›{(-5)+(-6)}+8=(-5)+{(-6)+8}

=›-5-6+8=-5+2

=›-11+8=-3

=›-3=-3