Simerr4life Simerr4life

09-10-2020
Mathematics

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I'm thinking of a number. If you multiply my number by 12 and subtract 79, you will get my number plus 9. What is my number

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09-10-2020

Your number is 8

12x - 79 = x + 9
11x - 79 = 9
11x = 88
x = 8

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