SAT Math Multiple Choice Practice Question 398: Answer and Explanation
2. If , what is the value of x ?
Correct Answer: C
C Try Plugging In The Answers. Starting with C, put in for x:
Cross-multiply: . So C is correct. Another way would be to cross-multiply first to get 2x2 + 4x = 2x2 + 2. Subtract 2x2 from both sides to get 4x = 2. Divide by 4 to get x = .