13. Simplify this expression: 13 (12) (5) = ?
Question
Asked 2/7/2013 2:40:29 PM
Updated 2/28/2015 2:04:15 AM
Flagged by janezeshun [2/28/2015 2:03:36 AM], Unflagged by janezeshun [2/28/2015 2:03:36 AM]
Original conversation
User: 13. Simplify this expression: 13 (12) (5) = ?

User: 3. If 3 times a number minus 2 equals 13, what is the number? A. 5 B. 4 C. –6 D. 2

Question
Asked 2/7/2013 2:40:29 PM
Updated 2/28/2015 2:04:15 AM
Flagged by janezeshun [2/28/2015 2:03:36 AM], Unflagged by janezeshun [2/28/2015 2:03:36 AM]
Rating
3
If 3 times a number minus 2 equals 13, the number is 5 .
If the number is n
3n - 2 = 13
3n = 15
n = 15/3
n = 5

Added 2/28/2015 2:04:15 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [2/28/2015 1:21:02 PM]

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