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Calculati valoarea raportului x/y , daca 8y-5x/5y-3x =7/3


Răspuns :

[tex]\dfrac{8y-5x}{5y-3x}=\dfrac{7}{3}\\ \text{Inmultesti pe diagonala:}\\ 3(8y-5x)=7(5y-3x)\\ 24y-15x=35y-21x\\ 21x-15x=35y-24y\\ 6x=11y\\ \boxed{\dfrac{x}{y}=\dfrac{11}{6}}[/tex]