SOLUTION: i am thinking of a number. i multiply it by 5 and add 39. I get the same answer if i multiply 9 and subtract 9. what is my answer?

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Question 922430: i am thinking of a number.
i multiply it by 5 and add 39.
I get the same answer if i multiply 9 and subtract 9.
what is my answer?
Found 2 solutions by ewatrrr, MathTherapy:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
5n + 29 = 9n - 9
38 = 4n
38/4 = n = 9 1/2
And...checking
5%2819%2F2%29+%2B+29+=+9%2819%2F2%29+-+9
5%2819%29+%2B+58+=+9%2819%29+-+18
76=+4%2819%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

i am thinking of a number.
i multiply it by 5 and add 39.
I get the same answer if i multiply 9 and subtract 9.
what is my answer?


Answer: highlight_green%2812%29

You can do the check!! 

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