Set 3: Trigonometry

Explanation

Answer: A

Solve for $x$ : $4(x + 7) = 48$

✓ Correct

Detailed Explanation

Choice A is correct. 1. Start: $4(x + 7) = 48$ Divide by 4: $x + 7 = 12$ Subtract 7: $x = 5$ Therefore, $x = 5$ .

Key Steps:

•

Apply the appropriate mathematical formula

•

The correct answer is 5

Why others are wrong:

B: This would give an incorrect result. Choice B 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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