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=24,30r-24s=48

- intermediate algebra -
**Damon**, Tuesday, April 24, 2012 at 11:17am
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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