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rezolvati ecuatia!!! DAU COROANA!!!
-3 pe 4x=3.12


Răspuns :

-3/4x=3,12<=>-3/4x=312/100<=> -3x×100=4×312<=>-300x=1248=>x=1248÷(-300)=-4,16;x=-4,16.
[tex] \frac{-3}{4x}=3,12 \\ 4x=-3: \frac{312}{100} \\ 4x=- \frac{3*100}{312} \\ 4x=- \frac{100}{104} \\ x=- \frac{100}{104}:4 \\ x=- \frac{100}{104*4}=- \frac{25}{104} [/tex]