Asked by Anonymous

when you subtract two from a number double the difference and then add 7 you get 57 what is the number

11 years ago

Answered by Anonymous

(n - 2) * 2 + 7 = 57

2n - 4 + 7 = 57

2n + 3 = 57

2n = 54

n = 27

11 years ago

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