anonymous
  • anonymous
Solve using the elimination method 3r-4s=-6 4r+3s=17 This would not be possible right? or would it be 7r-1s=9?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
eliminate either r or s...s looks better since you have opposite signs already
anonymous
  • anonymous
multiply by top by 3 and bottom by 4
anonymous
  • anonymous
would it be r=1.3?

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anonymous
  • anonymous
9r - 12s = -18 16r +12s=68
anonymous
  • anonymous
solve for r
anonymous
  • anonymous
r= 10/3 sp sub that in to find s
anonymous
  • anonymous
25r=50 r=2?
anonymous
  • anonymous
3(10/3) - 4s = -6 10-4s=-6 -4s = -16 s= 4
anonymous
  • anonymous
(10/3, 4)
anonymous
  • anonymous
Ok I'm really confused, where did the 10 come from? Sorry I have a learning disability and really have a hard time with math.
anonymous
  • anonymous
it is solving a system by elimination with multiplication....ever heard of that
anonymous
  • anonymous
Yes, I am doing that right now in my math class, please don't think I am looking for you to give me the answer. I have Math 117 next and I have to understand this.
anonymous
  • anonymous
It has only ever shown how to solve when y or x is a negative and positive of the same number never two different numbers
anonymous
  • anonymous
can you come to whiteboard so I Can write it out http://www.twiddla.com/536745
anonymous
  • anonymous
(2,3)
anonymous
  • anonymous
thanks!
anonymous
  • anonymous
YW!!!

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