Question

(a-b) -c = a-(b-c) ; a=10, b=20, c=2​

Answer 1

Step-by-step explanation:

(a-b)-c = (10-20) - 2 = -10-2 = -12

a-(b-c)= 10-(20-2)=10-18=-8

Hence Lhs is not equal to RHS

so it is not true