LUCIENNE973 LUCIENNE973 Mathématiques Answered bonjour question b) x – 8 = 15 , c) x + 7 = - 3 , d) x – 3 = - 5 , e) 5 + t = 2 , f) 10 – t = 4 , g) – 8 – t = 3 , h) 45 = - 9 + x