1. The problem appears to be incomplete or unclear as it shows an expression with a negative sign and an empty fraction: $-x-\frac{ }{ }$. 2. To help you properly, please provide the full expression or equation you want to solve or simplify. 3. Generally, a fraction is written as $\frac{a}{b}$ where $a$ is the numerator and $b$ is the denominator. 4. If you want to simplify or solve an expression involving $-x$ and a fraction, please specify the numerator and denominator. 5. Once you provide the complete expression, I can guide you step-by-step on how to handle it.