Digital PSAT Math Practice Question 265: Answer and Explanation

Question: 265

What represents the range of values of x in this inequality?

-3(x + 4) > 2x

• A.
• B.
• C.
• D.

Correct Answer: A

Explanation:

(A) First, isolate what's inside the parentheses by dividing both sides by - 3, remembering that dividing by a negative flips the inequality sign.

. Next, you'll need to subtract x from both sides to get all x terms on the right, but first get a common denominator for the x terms:

. Finally, divide both sides by , which is the same as multiplying both sides by , again remembering to flip the inequality since you are multiplying by a negative number: