AlgebraEasySecond number from a sum
Algebra practice question
Two numbers add up to 9, and one of them is 4. What is the other number?
Answer: 5
4 + n = 9, so n = 5.
Common wrong answers
- If you answered 13
- 13 adds 4 and 9.
- If you answered 36
- 36 multiplies them.
- If you answered 2.25
- 2.25 divides 9 by 4.
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