SAT Math Multiple Choice Practice Question 398: Answer and Explanation
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Question: 398
2. If , what is the value of x ?
A. -
B.
C.
D. 0
E. 2
Correct Answer: C
Explanation:
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 =
.