Advanced MathEasyCoefficient after a multiply and a subtract
Advanced Math practice question
A number n is multiplied by 5, and then 2n is subtracted from the product. The result is equal to kn, where k is a constant. What is the value of k?
Answer: 3
5n − 2n = 3n.
Common wrong answers
- If you answered 7
- 7 adds instead of subtracting.
- If you answered 10
- 10 multiplies 5 and 2.
- If you answered -3
- −3 subtracts in the wrong order.
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