Set 2: Trigonometry

Explanation

Answer: B

If $5x + 17 = 57$ , what is the value of $x$ ?

✓ Correct

Detailed Explanation

Choice B is correct. 1. Start: $5x + 17 = 57$ Subtract 17: $5x = 40$ Divide by 5: $x = 8$ Therefore, $x = 8$ .

Key Steps:

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Apply the appropriate mathematical formula

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The correct answer is 8

Why others are wrong:

A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.

C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.

D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.

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