HelpAHomie
HelpAHomie HelpAHomie
  • 09-02-2017
  • Mathematics
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Help me with number three explain your answer plz

Help me with number three explain your answer plz class=

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hopewelch97 hopewelch97
  • 09-02-2017
It's 19. You did all the work, but then forgot to get rid of the variables once you subbed the numbers in.
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