adamcoulter adamcoulter

26-03-2018
Mathematics

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eleven diminished by 5 times a number is the same as 4 times the number increased by 20 find the number

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choixongdong choixongdong

26-03-2018

11 - 5n = 4n + 20
-5n - 4n = 20 - 11
-9n = 9
n = -1

answer
the number is - 1

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