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rezolvati anmultimea fractiilor zecimale ecuatia 3×(x+3,2)+2×(x-2,4)=4×(x+5,2)

Răspuns :

3•(x+3.2)+2•(x-2.4)=4•(x+5.2)
3x+9.6+2x-4.8=4x+20.8
5x+4.8=4x+20,8
5x-4x=20.8-4.8
x=16