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Efectuatii:
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Cine rezolva complet are coroana!


Efectuatii Cine Rezolva Complet Are Coroana class=

Răspuns :

=>1*3=2a+1*4a+2=>4=8a+2=>8a+2=4=>8a=4-2=>8a=2=>a=4
1/2a+1*4a+2/3⇒4a+2/6a+3⇒4a+2=6a+3⇒-6a+4a=-2+3⇒-2a=1⇒a=-1/2
succes