anonymous
  • anonymous
Find the point of intersection of the pair using the method of elimination x-y = 3 2x + y = 3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Mertsj
  • Mertsj
If you just add the two equations, the y will be eliminated. Can you do that?
anonymous
  • anonymous
I don't understand what the question is exactly asking
KatrinaKaif
  • KatrinaKaif
You have to solve for x and y, concluding with an ordered pair of (x,y)

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More answers

karatechopper
  • karatechopper
well elimination is where you eliminate one of the variables to be able to solve the equation
Mertsj
  • Mertsj
Ok Katrina and karate will help you.
anonymous
  • anonymous
Can anybody solve it for me? I don't really get what you're trying to say....
KatrinaKaif
  • KatrinaKaif
Ok. One min. My explanations will be followed.
myininaya
  • myininaya
add the equations together (x+2x)+(-y+y)=(3+3) that should help
KatrinaKaif
  • KatrinaKaif
Your equations are: x - y = 3 2x + y = 3 In both equations "-y" from the first equation, and "+y" from the second equation cancel each other out. Understood?
karatechopper
  • karatechopper
therefore lleaving the equation to be x=3 2x=3
KatrinaKaif
  • KatrinaKaif
Since they cancel each other, the equation becomes: 3x = 6
KatrinaKaif
  • KatrinaKaif
Now lets solve for x. Divide both sides for 3, which concludes us with the answer x = 2 Since we have solved for x, our ordered pair would be (2,y)
karatechopper
  • karatechopper
now you take that 2 and plug it into one of the equations
karatechopper
  • karatechopper
im going to take the x-y=3 equation so i plug 2 in for x 2-y=3 subtract 2 on both sides -y=1 divide by -1 on both sides y=1
KatrinaKaif
  • KatrinaKaif
Now, use what you have found as being x= 2, and plug it into your original equation. Lets plug "2" in the position of "x" in equation one: x - y = 3 (2) - y = 3 Bring the 2 to the "other side" but substracting it from 3 -y = 3 - 2 -y = 1 Divide by -1 and your answer is y = -1
KatrinaKaif
  • KatrinaKaif
Now since you have solved x and y, your coordinates of intersection is (2, - 1)
karatechopper
  • karatechopper
woops i messed up make that be -1
karatechopper
  • karatechopper
nice work kat!;) medal timne!!!
KatrinaKaif
  • KatrinaKaif
That will be your final answer. Any questions?
anonymous
  • anonymous
Thank you so much. God bless <3
Hero
  • Hero
KC and KK helping people with math? Has the world turned upside down?
KatrinaKaif
  • KatrinaKaif
Anytime Waleed =)
karatechopper
  • karatechopper
@hero what wrong with that? i have always helped people with the math tht i know..
Hero
  • Hero
It's when both of you do it together....that's what makes it strange.
karatechopper
  • karatechopper
???
karatechopper
  • karatechopper
its called TEAMWORK!
Hero
  • Hero
i'm a one man team.
karatechopper
  • karatechopper
ok kool;)
anonymous
  • anonymous
the more the merrier :D
karatechopper
  • karatechopper
:D
Hero
  • Hero
will only be happier

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