Absolute Value Equation 25110D
1. **State the problem:** Solve the equation $$|4x - 5| = |x - 1|$$ for $x$.
2. **Recall the property of absolute values:** For any real numbers $A$ and $B$, if $$|A| = |B|,$$ then either $$A = B$$ or $$A = -B.$$ This means we need to consider two cases:
3. **Case 1:**
$$4x - 5 = x - 1$$
Solve for $x$:
$$4x - x = -1 + 5$$
$$3x = 4$$
$$x = \frac{4}{3}$$
4. **Case 2:**
$$4x - 5 = -(x - 1)$$
$$4x - 5 = -x + 1$$
$$4x + x = 1 + 5$$
$$5x = 6$$
$$x = \frac{6}{5}$$
5. **Check solutions:** Both $x = \frac{4}{3}$ and $x = \frac{6}{5}$ satisfy the original equation because absolute values are always non-negative and the equality holds.
**Final answer:**
$$x = \frac{4}{3} \quad \text{or} \quad x = \frac{6}{5}$$