Bonsoir;
je pars de la ligne horizontale en haut:
2x+3+2x +x +2x +2x +2x +x + 2x +3+2x +x +2x +2x +2x +x
24x +6 = 126
24x = 126-6
24x= 120
x = 120/24
x =5
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Bonsoir;
je pars de la ligne horizontale en haut:
2x+3+2x +x +2x +2x +2x +x + 2x +3+2x +x +2x +2x +2x +x
24x +6 = 126
24x = 126-6
24x= 120
x = 120/24
x =5