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Dacă 2-x= 5-y atunci x supra y=​

Răspuns :

Răspuns:

2-x=5-y

y-x=5-2

y-x=3

y=-3x

-3x-x=3

-4x=3

x=-3/4

y=-3×(-3/4)

y=9/4

[tex] \frac{x}{y} = \frac{ - 3}{4} \times \frac{4}{9} = \frac{ - 1}{3} [/tex]