Write an expression

Question

triple n,subtract 2 from the result,then subtract 4 from what you have

Answer 1

triple n,subtract 2 from the result,then subtract 4 from what you have

triple n = 3n

subtract 2 from the result: 3n-2

subtract 4 from what you have : 3n-2-4 = 3n -6

Answer 2

In symbols

3n - 2 - 4