Question

If a=4, b= -16,
What is a+b = b+a... could someone help me verify?

Answer 1

Answer:

Firstly, a + b = 4 + -16 = -12 --- i

Now, b + a = -16 + 4 = -12 --- ii

Since i = ii

Therefore, a + b = b + a Verified... Ans.