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April 20, 2014

April 20, 2014

Posted by **Mage** on Thursday, October 17, 2013 at 11:12am.

5 x - 5 y = 25

48 x + a y = 240

What is this exceptional value for a ?

- math -
**Reiny**, Thursday, October 17, 2013 at 12:40pmIf the two lines would be parallel, we could not find a solution,

that happens when

5/48 = -5/a

5a = -5(48)

a = -48

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