aidez moi svp [tex]2x + 4 = 17[/tex] [tex]5x = 32 - 3x[/tex] [tex] - 3 - 4x = 7[/tex] [tex]x + 1 = 3x - 4[/tex] [tex] \frac{6.6 }{x} = \frac{2}{3} [/tex]
Mathématiques
bylansananette
Question
aidez moi svp
[tex]2x + 4 = 17[/tex]
[tex]5x = 32 - 3x[/tex]
[tex] - 3 - 4x = 7[/tex]
[tex]x + 1 = 3x - 4[/tex]
[tex] \frac{6.6 }{x} = \frac{2}{3} [/tex]
[tex]2x + 4 = 17[/tex]
[tex]5x = 32 - 3x[/tex]
[tex] - 3 - 4x = 7[/tex]
[tex]x + 1 = 3x - 4[/tex]
[tex] \frac{6.6 }{x} = \frac{2}{3} [/tex]
1 Réponse
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1. Réponse Vins
bonsoir
2 x + 4 = 17
2 x = 17 - 4 = 13
x = 13/2
5 x = 32 - 3 x
5 x + 3 x = 32
8 x = 32
x = 4
- 3 - 4 x = 7
- 4 x = 7 + 3
- 4 x = 10
x = - 10/4 = - 5 /2
x + 1 = 3 x - 4
x - 3 x = - 4 - 1
- 2 x = - 5
x = 5 /2
6.6 / x = 2./
2 x = 19.8
x = 19.8 /2