Solve for the Indicated Variable $\log _ { c } ( z + s ) = \log _ { c } ( 2 z - 4 )$

Multiple Choice

Solve for the indicated variable.
- $\log _ { c } ( z + s ) = \log _ { c } ( 2 z - 4 )$ , for $s$

A) $s = \frac { z } { 4 }$
B) $s = \frac { \log _ { c } z } { 4 }$
C) $s = z - 4$
D) $s = \log _ { c } ( z - 4 )$