Question 451766
let n = "a number"
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Write an equation for exactly what it says:
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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.
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-15n - 25 = 9n + 23
-15n - 9n = 23 + 25
-24n = 48
n = {{{48/(-24)}}}
n = -2
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You can confirm this answer in the original equation