mm3591
  • mm3591
Use the substitution method to solve the system of equations. Choose the correct ordered pair. x + y = 11 -x = -y - 9 A. (9, 2) B. (10, 1) C. (8, 3) D. (11, 0)
Algebra
chestercat
  • chestercat
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Mertsj
  • Mertsj
If -x=-y-9 then x = y+9 Replace x in the first equation with y+9 and solve.
mm3591
  • mm3591
@Mertsj I'm still confused
Loser66
  • Loser66
@mm3591 I confused because I don't know why you are still confused.

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mm3591
  • mm3591
@Loser66 I don't know why I'm confused.
jdoe0001
  • jdoe0001
@mm3591 anything with -> \(\large x=-y-9\ then\ x = y+9\)?
jdoe0001
  • jdoe0001
well.. shoot missing dash... anyhow... does that make sense? notice -> \(\large -x=-y-9\ then\ x = y+9\)
jdoe0001
  • jdoe0001
rats...yeah. notice that
mm3591
  • mm3591
whats the answer?
jdoe0001
  • jdoe0001
@mm3591 yes, no, no the foggiest, even forgot my name, maybe, what day is today?
jdoe0001
  • jdoe0001
the answer my friend, is blowing in the wind, the answer is blowing in the wind bob dylan
mm3591
  • mm3591
NOT HELPFUL!
jdoe0001
  • jdoe0001
well... what do you think about the aforementioned? -> x=-y-9 then x = y+9 <--- followed that?
mm3591
  • mm3591
Confused
jdoe0001
  • jdoe0001
rats the minus missing,, darn clipboard anyhow -x=-y-9 then x = y+9
Mertsj
  • Mertsj
What did I tell you to substitute for x?
mm3591
  • mm3591
y+9
Mertsj
  • Mertsj
What is the first equation in your problem?
mm3591
  • mm3591
x + y=11 @Mertsj
Mertsj
  • Mertsj
Cross out the x and replace it with y+9
Mertsj
  • Mertsj
|dw:1436919278042:dw|
Mertsj
  • Mertsj
|dw:1436919311165:dw|
Mertsj
  • Mertsj
Now what equation do you have?

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