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Rezolvati in Q ecuatia:5 intreg si 2pe3x-12= -2,5
urgent vă rog ((


Răspuns :

[tex]\displaystyle 5 \frac{2}{3} x-12=-2,5 \\ \frac{17}{3}x -12=- \frac{25}{10} \\ 170x-360=-75 \\ 170x=-75+360 \\ 170x=285 \\ x= \frac{285}{170} \\ x= \frac{57}{34} [/tex]