Ashur solves the following system of linear equations:
[tex]\[ \left\{
\begin{array}{l}
-3a + 7b = -16 \\
-9a + 5b = 16
\end{array}
\right. \][/tex]
Which statement is true about the solution to this system of equations?
A. The values of [tex][tex]$a$[/tex][/tex] and [tex][tex]$b$[/tex][/tex] are both equal to -4.
B. The values of [tex][tex]$a$[/tex][/tex] and [tex][tex]$b$[/tex][/tex] are both equal to 4.
C. The value of [tex][tex]$a$[/tex][/tex] is equal to 4, and [tex][tex]$b$[/tex][/tex] is equal to -4.
D. The value of [tex][tex]$a$[/tex][/tex] is equal to -4, and [tex][tex]$b$[/tex][/tex] is equal to 4.