Answer
False.
Work Step by Step
There is no property of logarithms by which $\log_{a}(x+y)$ can be calculated.
The property intended was
$\log_{a}(xy)=\log_{a}x+\log_{a}y$, by which
$\ln(5\cdot 7)=\ln 5+\ln 7$,
The statement is false.