An Equation with a Logarithmic Expression That Contains a Variable $\log _ { 5 } ( 2 x - 7 ) = \log _ { 5 } ( x + 1 )$

Short Answer

An equation with a logarithmic expression that contains a variable, such as $\log _ { 5 } ( 2 x - 7 ) = \log _ { 5 } ( x + 1 )$ , is a(n) __________ equation.