Question

Verify if p+q =q+p if p= -21 and q=6​

Answer 1

Answer:

Yes

Explanation:

P+q= -21+6=-15

Q+p= 6-21=-15

therefore, p+q=q+p

Hope this helped (:

Answer 2

Answer:

p+q

when p=-21 and

q=6

-21+6

-15

q+p

when p=-21

q=6

6+(-21)

6-21

-15

Thus , it is proved that p+q = q+p