anonymous
  • anonymous
r + (-12) = 19 can someone please help me i dont understand this problem
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
help me after
anonymous
  • anonymous
you can rewrite it first then undo
anonymous
  • anonymous
r - 12 = 19 now undo -12 by adding 12 to both sides

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anonymous
  • anonymous
so r = 19+12 then plug value back in original equation to check
anonymous
  • anonymous
p + (-9) = -9 now what about this problem can you help me with it please
anonymous
  • anonymous
adding a negative is same as subtracting a positive
anonymous
  • anonymous
same concept change to p-9=-9
anonymous
  • anonymous
undo -9 by adding 9 to both sides to keep the equation "balanced"-whatever you do to one side, you must do to the other
anonymous
  • anonymous
so what would r = ?
anonymous
  • anonymous
9 i think
anonymous
  • anonymous
well what is -9 + 9
anonymous
  • anonymous
r = 31
anonymous
  • anonymous
no!
anonymous
  • anonymous
oh ok i am a little slow so
anonymous
  • anonymous
they are opposites...when you add a number and its opposite you get 0
anonymous
  • anonymous
r definitely equals 31.
anonymous
  • anonymous
its ok...math takes time ; )
anonymous
  • anonymous
p=0
anonymous
  • anonymous
yes for original problem : ) we are working another
anonymous
  • anonymous
oh i see.
anonymous
  • anonymous
I'm trying to show process then answer so chill ; )
anonymous
  • anonymous
Have at it.
anonymous
  • anonymous
thanks ; )
anonymous
  • anonymous
p + (-9) = -9 p-9 = -9 + 9 +9 p=0 check: 0 + (-9) = -9 -9=-9

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