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a fost răspuns

rezolvati in multimea nr nat ecuatia 2×(3x+1)-1=43

Răspuns :

TDuirmuata
4x*2 =6x-1=5x
x=43/5
x=8,6
6x +2-1=43 6x= 43+1-2 X=42/6 X=7

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