4

Set 4: Trigonometry

Explanation

Answer: D

Solve for xx: 5(x+3)=255(x + 3) = 25

A.

1

B.

4

C.

12

D.

2

✓ Correct

Detailed Explanation

Choice D is correct. 1. Start: 5(x+3)=255(x + 3) = 25 Divide by 5: x+3=5x + 3 = 5 Subtract 3: x=2x = 2 Therefore, x=2x = 2.

Key Steps:

Apply the appropriate mathematical formula

The correct answer is 2

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

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