Leah is solving the equation below using the properties of exponents. 2^2x-3 = (1/16)^3x+9
Here is Leah's work: (see attached picture)

Which line has Leah's mistake? What is Leah's mistake?

I think she messed up at the beginning she did solve in the right order but she did i it wrong so what she had to do was do( 2) times the power of the 4 after diving what’s in the Parentheses then she can solve the rest if I’m correct but you might want to fact check it

The correct answer here is c