Question

Dacă 2-x= 5-y atunci x supra y=​

Answer 1

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

$\frac{x}{y} = \frac{ - 3}{4} \times \frac{4}{9} = \frac{ - 1}{3}$