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  • Utilizator Brainly
2014-11-03T18:41:49+02:00
2014-11-03T19:06:55+02:00
A+b+C=123 
b=3a+2
c=(a+b):2
[a+3a+2+a+3a+2]:2=123
8a+8a+4=123supra2de aici sper sa rezolvi ecuatia, multa bafata!!