Réponses

  • Utilisateur Brainly
2014-03-10T08:15:47+01:00
X-5/4=4/3
x=5/4+4/3
x=31/12

x+7/3=5/7
x=5/7-7/3
x=-34/21

x-5/8=3/12
x=5/8+1/4
x=7/8

1/3-x=-2/9
x=1/3+2*9
x=5/9

5/18-x=11/45
x=5/18-11/45
x=1/30

x-12/45=-11/15
x=12/45-11/15
x=-7/15