Answer: A) Yes, his solution is incorrect.
B) The given equation has 1 solution.
Step-by-step explanation:
A) Here, the given expression is,
Thus, the steps of solving the given expression are as follow,
Step 1:
Ste 2 :
Step 3 :
Hence, by the above explanation,
It is clear that the given steps of the solution are incorrect.
B) Since, x has only one value which is 6,
Hence, the given expression has only one solution.