Please answer this question please

First step is to solve the above inequality is subtract 15 from each sides of the inequality. Therefore,
[tex] \frac{a}{-8} +15-15>23-15 [/tex]
[tex] \frac{a}{-8} >8 [/tex]
[tex] \frac{a}{-8} *(-8)>8*(-8) [/tex] Multiply each sides by -8.
a < -64
Since we have multiplied each sides by negative 8 so sign of inequality will get change.
So, the solution of the above inequality is a< -64.