Translate the sentence into an equation.Twice the difference of a number and 9 equals 6.Use the variable y for the unknown number.

Dama asked Nov 26, 2023

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Dama asked Nov 26, 2023

by Dama

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14 votes

The difference of a number (y) and 9 is written as

Then, twice the difference of a number and 9 is

Finally, set the later expression to be equal to 6,

$\Rightarrow2(y-9)=6$

The equation is 2(y-9)=6

Mutual Exception answered Nov 29, 2023

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