October 2020 0 89 Report
Bonjour svp , je suis coincé un exo de maths pour mon dm Relie chaque équation à sa solution. Attention il faut justifier merci.

2X + 7 = 8 . . X = - 1,5
3X - 4= 2X +7 . . X = 4
- 6X + 7 = 3X - 11 . . X = 11
2,5X = 3 , 5X - 12 . . X = 1 : 2
6 - 5X = - 7X + 3 . . X = 2
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