Posted by Lueshelle on Tuesday, April 24, 2012 at 10:53am.
multiply first equation by 2
-30r+24s=48
+30r-24s=48
hmm, if I add those, I get 0 = 96. a problem all right
try multiplying the second one by -1 then look
-30r+24s=48
-30r+24s=-48
that is two parallel lines with the same slope but they never cross (different intercepts). There are no solutions.
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