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OpenStudy (anonymous):
7r-5s=44 5r+7s=42 I need help finding the solution please?
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OpenStudy (anonymous):
Can you please help me work it out so that I can understand please.
OpenStudy (anonymous):
(7r - 5s =44)*7 to 49r -35s = 308 (5r +7s = 42)*5 to 25r +35s = 210 Therefore: 74r = 518 r =7 & s = 1
OpenStudy (anonymous):
so the order pair would be (308,210) in that order.
OpenStudy (anonymous):
no, the order pair would be (7,1) for (r,s)
OpenStudy (anonymous):
o ok I see where you got that I was confused now I am not.
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OpenStudy (anonymous):
I also have y+x=-9 I am trying to get y by it's self
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