shahedothman
shahedothman shahedothman
  • 22-05-2020
  • Mathematics
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Please help me I don’t understand I will mark as brainliest!!! Stay safe :)

Please help me I dont understand I will mark as brainliest Stay safe class=
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Respuesta :

763812
763812 763812
  • 22-05-2020

Answer:

A) [tex]\frac{n+54}{9} =21[/tex]

[tex]n+54=21*9[/tex]

[tex]n+54=189[/tex]

[tex]n=189-54[/tex]

B) [tex]n=135[/tex]

C) Equation and Solution:

[tex]n+28=156\\n=156-28\\n=128[/tex]

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