anonymous
  • anonymous
-21x/7-5x=24 Solve the Equation. Pls explain.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
x = -3
anonymous
  • anonymous
−21x 7 −5x=24 −3x+−5x=24 (−3x+−5x)=24(Combine Like Terms) −8x=24 −8x=24
anonymous
  • anonymous
:( Pepe Pls

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anonymous
  • anonymous
Divide both sides by -8. −8x −8 = 24 −8 x=−3
anonymous
  • anonymous
get it?
anonymous
  • anonymous
I don't get the first part. What did you do to 21x/7
anonymous
  • anonymous
well 21x/7 - 5x = 24
anonymous
  • anonymous
ok wait
anonymous
  • anonymous
i shall await you here
anonymous
  • anonymous
ok so let make 21 3 so -3x-5x=?
anonymous
  • anonymous
still here?
anonymous
  • anonymous
yes
anonymous
  • anonymous
so i divide a coeficient with a constant. and i get - 3x - 5x = 24. Ok ty so much that makes it a lot easier. I did not know i could do that.
anonymous
  • anonymous
X=-3
anonymous
  • anonymous
TY gr8 teaching

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