ElihuL226186 ElihuL226186

03-11-2022
Mathematics

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

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KensonI155876 KensonI155876

03-11-2022

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

[tex]y-9[/tex]

Then, twice the difference of a number and 9 is

[tex]2(y-9)[/tex]

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

[tex]\Rightarrow2(y-9)=6[/tex]

The equation is 2(y-9)=6

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