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Rezolvati ecuatia:
 1,5 ( x+ 2 supra 9 ) = 2,25


Răspuns :

[tex] \frac{15}{10} (x+ \frac{2}{9})= \frac{225}{100} -> \frac{15}{10}* \frac{9x+2}{9} = \frac{225}{100} -> \frac{15(9x+2)}{90}= \frac{225}{100} -> \frac{135x+30}{90}= [/tex]