anonymous
  • anonymous
9-2x=7-x
Mathematics
katieb
  • katieb
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ParthKohli
  • ParthKohli
\[ 7 - x = 9 - 2x\]
anonymous
  • anonymous
i got x=-16 dunno if i am right.
ParthKohli
  • ParthKohli
Let's check then.\[9 - 2(-16) = 9 - (-32) = 41 \]\[ 7 - x = 7 - (-16) = 23 \]

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ParthKohli
  • ParthKohli
Does not satisfy.
anonymous
  • anonymous
still confused.
karatechopper
  • karatechopper
Can you show me the steps u used to solve this equation?
anonymous
  • anonymous
9-2x=7-x +x +x 7=-1x-9 +9 + 9 16 = -1x x=-16
karatechopper
  • karatechopper
Ok...You were lost on your first step. You are supposed to add '2x' to both sides. not just x:)
anonymous
  • anonymous
i got x=2
karatechopper
  • karatechopper
Good that is correct
anonymous
  • anonymous
awesome, thank You karatechopper.

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