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Popular Word Problems >

The difference of twice a number and 9 is-21

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Solution

Thedifferenceoftwiceanumberand9is−21

Solution

Thenumber:−6
Solution steps
Represent the number with x
A.T.Q.:2x−9=−21
Solve for x,2x−9=−21:x=−6
Thenumber:−6

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