1. The problem is to solve the equation given in question 4 (please provide the exact equation if needed). 2. Generally, to solve algebraic equations, we use the principle of isolating the variable on one side of the equation. 3. For example, if the equation is linear like $ax + b = 0$, the solution is $x = -\frac{b}{a}$. 4. If the equation is quadratic like $ax^2 + bx + c = 0$, we use the quadratic formula: $$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$ 5. Please provide the exact equation from question 4 to proceed with detailed steps and solution.