Digital PSAT Math Practice Question 215: Answer and Explanation

Question: 215

What is the value of x in the above equation?

• A.
• B.
• C.
• D.

Correct Answer: A

Explanation:

(A) First, get all x terms on one side by subtracting 3x from both sides. To combine the x terms, you need a common denominator, so first convert 3x to . After combining the x terms, the equation becomes

. Next, solve for x by dividing both sides by (in other words, multiply both sides by

, answer (A).