Réponses

  • Utilisateur Brainly
2012-06-17T20:01:51+02:00

x/3 - y/ 2 = - 5/6

-x/4 - y/3 =    1

2x-3y=-5

-3x-4y=12

8x-12y=-20

9x+12y=-36

17x=-56

x=-56/17

2x-3y=-5

-3x-4y=12

6x-9y=-15

-6x-8y=24

-17y=9

y=-9/17