PSAT Math Multiple-Choice Practice Question 169

Correct Answer: A

Explanation:

A

Difficulty: Easy

Category: Heart of Algebra/Linear Equations

Getting to the Answer: You could start by cross-multiplying to get rid of the denominators, but simplifying the numerators first will make the calculations easier. Don't forget to distribute the negative to both terms in the parentheses on the right-hand side of the equation:

Choice (A) is correct.