bonjour petites équations merci 7(3-x)+5x - 8=11 8x-5(3-3x)=2x-(10+4x)-5 x-4 + 3x + 2 = 1 - x 3 9 6 -2(5x+3)-2(7-x)=8+3x 2/3 x + 2= 4/9 x - 1
Mathématiques
karousseau
Question
bonjour petites équations merci
7(3-x)+5x - 8=11
8x-5(3-3x)=2x-(10+4x)-5
x-4 +3x + 2 = 1 - x
3 9 6
-2(5x+3)-2(7-x)=8+3x
2/3 x + 2= 4/9 x - 1
4x+2 - 3+x = x+ x-4
5 4 2
1 Réponse
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1. Réponse geekkhalil
Salut :)
7(3-x)+5x - 8=11
13-2 x = 11
x=1
8x-5(3-3x)=2x-(10+4x)-5
23 x-15 = -2 x-15
x=0
(x-4/3)+(3x+2/9)=(1-x/6)
4 x-10/9 = 1-x/6
x = 38/75
-2(5x+3)-2(7-x)=8+3x
-8 x-20 = 3 x+8
x = -28/11
2/3 x + 2= 4/9 x - 1
(2 (x+3))/3 = 1/9 (4 x-9)
x = -27/2
(4x+2/5)-(3+x/4)=(x+x-4/2)
(15 x)/4-13/5 = 2 x-2
x = 12/35
Bye Bye ^_^