Question

if a =15 b=9 c=4 showw that (a-b)-c=a-(b-c)​

Answer 1

We can write a - ( b - c ) as ( a - b ) - c

Then put value of a , b and c in both equations

( 15 - 9 ) - 4 = ( 15 - 9 ) - 4

6 - 4 = 6 - 4

2 = 2

L.H.S = R.H.S

Thus

( a - b ) - c = a - ( b - c )