radix

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 #2
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Feb 22, 2016
 #2
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Feb 22, 2016
 #1
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Hallo und guten Tag !

 

5k+4(1/2k -6)=k+(12 -2k)*2+12             Klammern ausmultiplizieren

 

\(5k+2k-24=k+24-4k+12\)     ordnen

 

\(5k+2k-k+4k=24+12+24\)     zusammenfassen

 

\(10k=60\)                                                    durch  10  dividieren

 

\(k=6\)

 

Probe:  5*6+4*(0.5*6-6) = 18         6+(12-2*6)*2+12 = 18

 

Gruß radix smiley !

Feb 22, 2016