devillierjovi devillierjovi

18-09-2021
Mathematics

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

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surjithayer10otahza surjithayer10otahza

18-09-2021

Answer:

Step-by-step explanation:

let the number=x

2(x+9)=x-3

2x+18=x-3

2x-x=-3-18

x=-21

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