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  • 22-10-2020
  • Mathematics
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Can someone answer this really quickly?

Can someone answer this really quickly class=
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Аноним Аноним
  • 22-10-2020

Answer:

[tex]x + 2x + x + 10 = 90\\\\4x + 10 = 90\\\\4x = 80\\\\x = 20[/tex]

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