Sagot :
bonjour
rose = 6 x + 12
jaune = 7 x + 5 - x + 7 = 6 x + 12
orange = x + 5 x + 10 + 2 = 6 x + 12
bleu = 4 + 6 x
vert = 6 x + 4
violet = 5 x + 7
rose = 6 x + 12
jaune = 6 x + 12
Bonsoir
6x + 12 → 7x + 5 - (x - 7) → x + 5 (x + 2) + 2 → 3 (2x + 4) → 6 (x + 2)
2 (2 + 3x) → 6x + 4
5x + 7
Le détail :
x + 5 (x + 2) + 2 = x + 5x + 10 + 2 = 6x + 12
7x + 5 - (x - 7) = 7x + 5 - x + 7 = 6x + 12
3 (2x + 4) = 6x + 12
6 (x + 2) = 6x + 12
2 (2 + 3x) = 4 + 6x