Question

Identify the identities from the following by replacing the variables with the values 0, 1, 2 and 3.

(5) 3m = 9 − m

Answer 1

3m = 9 − m
Substitute m = 0
LHS : 3m
= 3 (0)
= 0
RHS : 9 − m
= 9 − 0
= 9
As, LHS ≠ RHS,
3m = 9 − m is not an identity.