SOLUTION: I need help with this one homework problem I don't understand how to set up:
If the product of a number and -15 is decreased by 25, the result is 23 greater than the product of
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Question 451766: I need help with this one homework problem I don't understand how to set up:
If the product of a number and -15 is decreased by 25, the result is 23 greater than the product of the number and 9.
Thank you very much for taking the time to help me.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
let n = "a number"
:
Write an equation for exactly what it says:
;
If the product of a number and -15 is decreased by 25, the result is 23 greater than the product of the number and 9.
:
-15n - 25 = 9n + 23
-15n - 9n = 23 + 25
-24n = 48
n =
n = -2
:
:
You can confirm this answer in the original equation
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