6
algebra

If 4xx+7=194x - x + 7 = 19, what is the value of xx?

A

6

B

3

C

4

D

12

Correct Answer: C

Choice Bhoice D is the correct answer.

  1. Combine: 3x+7=193x + 7 = 19
  2. Subtract 7: 3x=123x = 12
  3. Divide by 3: x=4x = 4
  4. Verify: 164+7=1916 - 4 + 7 = 19

Choice Bhoice D is incorrect because calculation error.

Choice Bhoice A is incorrect because calculation error.

Choice Bhoice C is incorrect because calculation error.