Answer
The solution is between -2 and -3.
Work Step by Step
Create a table to approximate the value of a.
$\ \ \underline a\ \ \ \ \underline{5a-4}$
$\ \ \ 0\ \ \ \ \ \ -4$
$-1\ \ \ \ \ \ -9$
$-2\ \ \ \ \ \ -14_\longrightarrow$ the solution is between -2 and -3.
$-3\ \ \ \ \ \ -19$
