Answer :
Given:
Asher's solution is given.
Asher's solution is incorrect.
we should not subtract 4 on both side, It should be divided by 4 on both sides.
Therefore, the correct solution is
[tex]\begin{gathered} 4x=64 \\ \frac{4x}{4}=\frac{64}{4} \\ x=16 \end{gathered}[/tex]