anonymous
  • anonymous
Of the four expressions presented here, which two are equivalent? Expression I: 19n Expression II: 4n + 9 + n + 5n Expression III: 10n + 9 Expression IV: 9n + 9
Mathematics
chestercat
  • chestercat
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EXOEXOEXO
  • EXOEXOEXO
combine the likely terms
anonymous
  • anonymous
@EXOEXOEXO what do u mean?
EXOEXOEXO
  • EXOEXOEXO
for example: 2n and n are likely terms because they have the same variables

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anonymous
  • anonymous
so 19n, 9n, n, 5n, 4n, 10n,
EXOEXOEXO
  • EXOEXOEXO
in the expression 4n + 9 + n + 5n you can combine the terms with the same variables by adding them up
anonymous
  • anonymous
18n
EXOEXOEXO
  • EXOEXOEXO
the expressions are separate right? you can only combine the likely terms in one expression
anonymous
  • anonymous
so whats the answer c?
anonymous
  • anonymous
?
anonymous
  • anonymous
anonymous
  • anonymous
EXOEXOEXO
  • EXOEXOEXO
2 and 3
anonymous
  • anonymous
so b?
anonymous
  • anonymous
??
EXOEXOEXO
  • EXOEXOEXO
yes b and c

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