Question

Guys need your help..verify: p+q=q+p, by taking a). p=-4/7, q=1/4

Answer 1

verification
p+q=q+p
-4/7+1/4 = 1/4-4/7
-16/28+7/28 = 7/28-16/28
-9/28 = -9/28
LHS=RHS
verified