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rezolvati ecuatia x+[tex] \frac{3}{5} [/tex]x+[tex] \frac{3}{20} [/tex]x=46[tex] \frac{2}{3} [/tex]*3

Răspuns :

x+3x/5+3x/20=46 2/3 *3
x+3x/5+3x/20=140
20x+12x+3x=140
35x=140
x=4