Posted by Lueshelle on Tuesday, April 24, 2012 at 10:53am.
Soe using the eliminatin method.Show work.State if it has infinite solutions or no solutions...15r+12s=24,30r24s=48

intermediate algebra  Damon, Tuesday, April 24, 2012 at 11:17am
multiply first equation by 2
30r+24s=48
+30r24s=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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