SOLUTION: the difference of 12 times a number and nine times the number. write an algebraic expression and then simplify. 12n-9n 3n

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Question 1123017: the difference of 12 times a number and nine times the number. write an algebraic expression and then simplify. 12n-9n 3n
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
12n - 9n = 3n.

You were on the right track, but loss the equality sign " = ".