Question

is -a+b equals to b-a?

Answer 1

Yes, both are equal

-a=-a
b=b

For example

Let us suppose a=5 and b=10

Then,
-a+b=b-a
-5+10=10-5
5=5

Answer 2

Hi Mate!!!

-a + b Can be written as b -a

Because addition follows cometative law