AlgebraEasyFinding y from x in a simple relation
Algebra practice question
The equation y = 3x + 4 relates two quantities. What is y when x = 2?
Answer: 10
3(2) + 4 = 10.
Common wrong answers
- If you answered 7
- 7 adds 3 and 4.
- If you answered 9
- 9 adds 3, 2, and 4.
- If you answered 14
- 14 multiplies 2 by 7.
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