If 3x - 7 = 14, what is x?
Please select an answer first.
Correct answer: A
The correct answer is 7.
- Identify the relationship: Add 7 to both sides to get 3x = 21, then divide by 3 to get x = 7.
- Apply the rule or model: Use the definition, formula, representation, or evidence named in the question.
- Check the result: Confirm that the answer matches the units, domain, and meaning of the problem.
Add 7 to both sides to get 3x = 21, then divide by 3 to get x = 7.
