6
algebra

If 9x4x+6=319x - 4x + 6 = 31, what is the value of xx?

A

3

B

25

C

5

D

7

Correct Answer: C

Choice Bhoice A is the correct answer.

  1. Combine: 5x+6=315x + 6 = 31
  2. Subtract 6: 5x=255x = 25
  3. Divide by 5: x=5x = 5
  4. Verify: 4520+6=3145 - 20 + 6 = 31

Choice Bhoice C is incorrect because calculation error.

Choice Bhoice C is incorrect because calculation error.

Choice Bhoice D is incorrect because calculation error.