SOLUTION: the sum of 9 and a certain number is equal to four times the number subtracted from 40.find the number.

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Question 770731: the sum of 9 and a certain number is equal to four times the number subtracted from 40.find the number.
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
the sum of 9 and a certain number is equal to four times the number subtracted from 40.find the number.
Let x the number
9+x = 40-4x
5x = 31
x = 6.2
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Thanks