Question

If a= – 9, b= – 7, c= 6. Verify that (a + b) + c = a + (b + c)

Answer 1

Answer:

L.H.S (a+b)+c

(-9-7)+6

-16+6

-10

R.H.S a+(b+c)

-9+(-7+6)

-9-1

-10

L.H.S = R.H.S.

hence proved,