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juliecolo
@juliecolo
January 2021
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Bonsoir à tous et à toutes . Pourriez vous m'aider please !
n41
Résoudre le système
A ) {4x + 5y = 9
{ 3x - 5y = 5
B) {2x -4y = -6
{2x + 6y = 9
n42
Résoudre le système
A) {2x + 6y = 5
{3x - 4y = 1
B) {3x + 2y = -8
{4x + 5 y = 1
1
Voir la réponse
winner123
winner123
Bonsoir
je te montre
4 x + 5 y = 9
3 x - 5 y = 5
7 x = 14
x = 2
4 x + 5 y = 9
8 + 5 y = 9
5 y = 9 - 8
5 y = 1
y = 1/5
3 x - 5 y = 5
6 - 5/5 = 5
30/5 - 5/5 = 25/5
25/5 = 25/5
merci pourriez vous me faire le B) {2x -4y = -6 {2x + 6y = 9 SVP
je pense que tu pourrais aussi faire un effort ! vous voulez tous du prêt à recopier
j'ai fait une IE sur cette exo et j'ai eu tout faux et je voudrais juste la correction c n'est meme pas des exos
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