Exercices sur les équations 1 1- Résoudre dans ℝ: a) x+3=2 b) -5+x=4 c) -4x=10 d) 3-x=-8x-2 2- Résoudre dans : ℝ a) 13+ 3 2 x=1 b) 3 2 x+ 1 4 = 7 4 c) 2 x−3 7 = x−1 3 3-Résoudre dans : ℝ a) (3x-1)2=0 b) (2x+5)2=9 c) (2x+5)2=3 d) (2x+5)2=-3

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?