SOLUTION: what is the answer to: Nine fewer than the product of four and a number is 30? How do you write that as an equation too?

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Question 687948: what is the answer to: Nine fewer than the product of four and a number is 30? How do you write that as an equation too?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
4X-9=30
4X=30+9
4X=39
X=39/4 ANS.
PROOF:
4*39/4-9=30
39=39