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GMAT Math Practice Test #1

Category - Math

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If x - 4 = 9, what is the value of x2-4?

Explanation

Answer C- First find the value of x from the given equation x- 4 = 9 i.e. x = 13
X² - 4 = 169-4 = 165
Key takeaway: Solve simple equation to get the variable alone on one side of the equal sign. Then put its value to find the answer

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GMAT Math Practice Test #1

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GMAT Math Practice Test #1

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