Răspuns:
[tex] \frac{x}{y} = \frac{11}{9} [/tex]
Explicație pas cu pas:
(sistem)
1) 3x-2y=3 3x-2(4x-7) =3 3x-8x+14=3
4x-y=7 y=4x-7 y=4x-7
-5x=-11 x=11/7 x=11/7
y=4x-7 y=(4•11/7) -7 y=9/5
[tex] \frac{x}{y} = \frac{11}{5} \div \frac{9}{5} = \frac{11}{5} \times \frac{5}{9} = \frac{11}{9} [/tex]
