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Which values of P and Q result in an equation with no solutions?

Px+40=Qx+20

 Sep 24, 2018
 #1
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Px + 40 = Qx + 20

 

Px +20 = Qx

 

20 = Qx - Px = (Q-P)x

 

If Q=P then (Q-P)x = 0 for all x and thus the original equation has no solutions.

 Sep 25, 2018

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