Math

When you subtract 2 from a number, double the difference, and then add 7 you get 57. What is the number? And any explanation. Thank you

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  1. First off you do 57 - 7 which equals to 50. Then you take that 50 and divide it was 2 to get you 25. Now take 25 and add it to 2 to give you your final answer of 27.

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  2. Let the number be x

    2(x-2) + 7 = 57
    2x - 4 = 50
    2x = 54
    x = 27

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    posted by Reiny

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