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Problem 1 - Entrance Test

What is the value of x in the equation 2x + 5 = 11?

Correct: B

To find the value of x, we need to isolate x on one side of the equation. We can do this by subtracting 5 from both sides of the equation: 2x + 5 - 5 = 11 - 5, which simplifies to 2x = 6. Then, we divide both sides by 2 to get x = 6/2 = 3.