If the sum of a number and nine is doubled the result is three less than the number find the number

Brooks DuBois asked Jul 12, 2022

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Brooks DuBois asked Jul 12, 2022

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16 votes

Answer:

Explanation:

let the number=x

2(x+9)=x-3

2x+18=x-3

2x-x=-3-18

x=-21

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