1. Let's start by understanding the problem you are referring to. Since you mentioned "the last one," please provide the exact problem statement or the equation you want to solve. 2. Generally, to solve an algebraic equation, we use the principle of isolating the variable on one side of the equation. 3. The common steps include: - Simplifying both sides of the equation by expanding parentheses and combining like terms. - Moving all terms containing the variable to one side and constants to the other side. - Dividing or multiplying to solve for the variable. 4. If you provide the specific equation or problem, I can guide you step-by-step with the exact solution process. Please share the exact problem or equation you want to solve.