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Rezolva in Q ecuatia... (x -2 supra5):1,6=-4

Răspuns :

[tex](x- \dfrac{2}{5}):1,6=-4 \\ \\ ( \dfrac{5x}{5}- \dfrac{2}{5}): \dfrac{16}{10}=-4 \\ \\ \dfrac{5x-2}{\not5} \cdot \dfrac{\not5}{8}=-4 \\ \\ \dfrac{5x-2}{8}=-4 \\ \\ 5x-2=-32 \\ 5x=-30 \\ x=-6 [/tex]