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daca 5x=6y ,atunci 2x pe 3y este egal cu..(.p.s:.rezolvarea completa ca rog)

Răspuns :

x=6y/5

atunci 2x/3y= 2*(6y/5)/3y=2*(2/5)=4/5

as simple as that!!!

[tex]5x = 6y \: | \div 6y[/tex]

[tex] \frac{5x}{6y} = 1[/tex]

[tex] \frac{5}{6} \times \frac{x}{y} = 1 \: | \div \frac{5}{6} [/tex]

[tex] \frac{x}{y} = \frac{1}{ \frac{5}{6} } [/tex]

[tex] \frac{x}{y} = \frac{6}{5} [/tex]

[tex] \frac{2x}{3y} = \frac{2}{3} \times \frac{x}{y} = \frac{2}{3} \times \frac{6}{5} = 2 \times \frac{2}{5} = \frac{4}{5} [/tex]