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08-06-2021
Mathematics

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Use the replacement set {3, 4, 9} to find the solution of the equation below.
3n−18=9

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08-06-2021

Answer:

[tex]n=9[/tex]

Step-by-step explanation:

[tex]3n-18=9[/tex]

[tex]3n+18=[/tex] +18

[tex]3n=27[/tex]

[tex]3(9)=27[/tex]

[tex]n=9[/tex]

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