PSAT Math Multiple-Choice Question 224: Answer and Explanation

Question: 224

Which value of x satisfies the equation above?

• A. - 5
• B. - 3
• C. - 1
• D. 1

Correct Answer: A

Explanation:

A

Difficulty: Easy

Category: Heart of Algebra/Linear Equations

Getting to the Answer: Think about the best strategy to answer the question. If you distribute the , it creates messy numbers. Instead, clear the fraction by multiplying both sides of the equation by 3. Then, use inverse operations to solve for x:

Choice (A) is correct.