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Rezo;vati in R ecuatia 5,8-0,4(2-5x)=0.1(1-x)+4,4

Răspuns :

5.8-0.4(2-5x)=0.1(1-x)+4.4 5.4×(-3x)=0.1x+4.4 -3x-x=4.4-5.4 -4x=-1 x=-1:(-4) x=0.25 S={ 0.25 }