[tex] \frac{a}{ - 9} = - 11[/tex]
[tex] \text{Multiply by - 9 on both sides,
}[/tex]
[tex] = > \frac{a}{ - 9} \times - 9 = - 11 \times (- 9) \\ \\ \\ \\ = > \frac{a}{ \cancel{ - 9}} \times \cancel{ - 9} = (11 \times 9) \\ \\ \\ \\ = > a \times 1 = 99 \\ \\ \\ \\ = > a = 99[/tex]
Value of a is 99
