1. **State the problem:** Solve the inequality $-x - \frac{3}{4} > 7$ for $x$.
2. **Write the inequality:**
$$-x - \frac{3}{4} > 7$$
3. **Isolate the term with $x$:** Add $\frac{3}{4}$ to both sides:
$$-x - \frac{3}{4} + \frac{3}{4} > 7 + \frac{3}{4}$$
$$-x > 7 + \frac{3}{4}$$
4. **Simplify the right side:**
$$7 + \frac{3}{4} = \frac{28}{4} + \frac{3}{4} = \frac{31}{4}$$
So,
$$-x > \frac{31}{4}$$
5. **Divide both sides by $-1$ to solve for $x$:** Remember, dividing by a negative number reverses the inequality sign.
$$\frac{-x}{-1} < \frac{31}{4} \times \frac{-1}{-1}$$
$$\cancel{-}x \times \cancel{-1} < -\frac{31}{4}$$
$$x < -\frac{31}{4}$$
6. **Final answer:**
$$x < -\frac{31}{4}$$
This means $x$ must be less than $-7.75$ to satisfy the inequality.
Solve Inequality D45B8E
Step-by-step solutions with LaTeX - clean, fast, and student-friendly.