?

SAT® Subject Test in Math 1 & 2

Free Version

Upgrade subject to access all content

Moderate

Undoing Exponents with Natural Log

SATSTM-YHEMTO

Which one of the following is a solution to the equation ${7}^{x-4}=3$ ?

A

$\cfrac{\ln(3)}{\ln(7)+4}$

B

$\cfrac{\ln(7)}{\ln(3)+4}$

C

$\cfrac{3}{7}+4$

D

$\cfrac{\ln3}{\ln7}+4$

E

$1$