Question

if a = 9 and b = -6 show that a-b is not equal to (b-a)

Answer 1

Answer:

a-b = 9-(-6)= 9+6 = 15

b-a = -6-9 = -15

so they are not equal

Answer 2

Answer:

a = 9

b = -6

a - b

9 - (-6)

9 + 6 = 15

while

b - a

-6 - 9 = -15

thus , a - b is not equal to b -a