college
posted by jackie .
3^5x + 13 = 1/9

I assume you meant
3^{5x+13}= 1/9
take the log base 3 of each side..
5x+13=2
and you can finish.
posted by jackie .
3^5x + 13 = 1/9
I assume you meant
3^{5x+13}= 1/9
take the log base 3 of each side..
5x+13=2
and you can finish.