Plz help me with this I don’t remember how to do this

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.

Given the equation    = 5, solve for x and identify if it is an extraneous solution

Asap easy 6th grade 30 pts describe how to rewrite a power with a positive exponent so that the exponent is in the denominator.