# SAT Math Multiple Choice Question 490: Answer and Explanation

Home > SAT Test > SAT Math Multiple Choice Practice Tests

### Test Information

- Use your browser's back button to return to your test results.
- Do more SAT Math Multiple Choice Practice Tests.

**Question: 490**

**10.** If , what is the value of x?

- A. x = -2
- B. x = 2
- C. There is no value of x for which the equation is true.
- D. There are infinitely many values of x for which the equation is true.

**Correct Answer:** C

**Explanation:**

C

Difficulty: Medium

Category: Heart of Algebra / Linear Equations

Strategic Advice: Use the distributive property to simplify each of the terms that contains parentheses. Then use inverse operations to solve for x.

Getting to the Answer:

All of the variable terms cancel out, and the resulting numerical statement is false (because negative 2 does not equal positive 2), so there is no solution to the equation. Put another way, there is no value of x for which the equation is true.