anonymous
  • anonymous
what is the number of solutions to the system? someone please helppp mee!! please! x+ y = -1 5x- 5y = 7
Mathematics
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anonymous
  • anonymous
what is the number of solutions to the system? someone please helppp mee!! please! x+ y = -1 5x- 5y = 7
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
x = 1/5, y = -6/5
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=all+solutions+to+x%2B+y+%3D+-1+and+5x-+5y+%3D+7
anonymous
  • anonymous
so theres one solution

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anonymous
  • anonymous
Yes.
anonymous
  • anonymous
You might have multiple solutions if you were taking the square root of something but not this time.
anonymous
  • anonymous
If you want to solve problems faster during the SAT test math sections, try our SAT app for your calculator: http://download.cnet.com/SAT-Operating-System-For-TI-83-And-TI-84/3000-20415_4-75448635.html?part=dl-&subj=dl&tag=button
anonymous
  • anonymous
thanks but im only in 8th grade. i have to do high school math. to prepare my self for freshman year.
anonymous
  • anonymous
No problem, but you can use it to check homework.
anonymous
  • anonymous
ahhh okayy. thank you so much!
anonymous
  • anonymous
No problem. Don't forget to medal! :)

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