8a+2 =-10a -7 svpppppppppppppppppppppppppppppppp
Mathématiques
Hanoiiiiiiiii63
Question
8a+2 =-10a -7 svpppppppppppppppppppppppppppppppp
1 Réponse
-
1. Réponse said2005
Réponse:
8a+2=-10a-7
8a+10a=-7-2
18a=-9
a=-9/18
a=-1/2