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Va rog frumos sa ma ajutati:
-315:(y-8)=5

-3x214=X inmultit cu 6

-500:2=250:y


Răspuns :

315:(y-8)=5=>315=5•(y-8)=>315:5=y-8=>63=y-8=>y=63+8=71____ _________________________________ _3•214=x•6=>642=6•x=>x=642:6=107___ ________________________________ _500:2=250:y=>250=250:y=>y•250=250=>y=250:250=1