onaloubenedict onaloubenedict

11-08-2021
Mathematics

contestada

When 8 is added to a certain number and the sum is multiplied by 3, the result is 57. Find the number.

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SDCInfinity SDCInfinity

11-08-2021

Answer:

The number is 11.

Step-by-step explanation:

[tex]3(8+x)=57\\24+3x=57\\3x=33\\x=11[/tex]

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