6

Set 3: Trigonometry

Explanation

Answer: C

If 6x+7=976x + 7 = 97, what is the value of xx?

A.

25

B.

5

C.

15

✓ Correct
D.

7

Detailed Explanation

Choice C is correct. 1. Start: 6x+7=976x + 7 = 97 Subtract 7: 6x=906x = 90 Divide by 6: x=15x = 15 Therefore, x=15x = 15.

Key Steps:

Apply the appropriate mathematical formula

The correct answer is 15

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

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