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How to solve (1/2) P + 40 = 220 - P

Guest May 29, 2017
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(1/2)P  + 40   =  220  -  P        add P to both sides, subract 40 from each side

 

(3/2)P   =  180            multiply both sides by (2/3)

 

P  =  180 (2/3)    =    360 / 3    =   120

 

 

 

cool cool cool

CPhill  May 29, 2017

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