SOLUTION: Three times a number increased by 4 equals 31. How do I write that in an equation?

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Question 471215: Three times a number increased by 4 equals 31. How do I write that in an equation?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
n = the number
Three times it is 3n
Increased by 4 is 3n + 4
3n + 4 = 31