Est ce que vous pouvez resoudre ses equations svp ? Merci A) 3x - 5 = 12 B) 2x - 3 = 4x +1 C) 3 (z - 1) = 2 D) 6/t = 2 E) x / 3 = 7
Mathématiques
Miimii295
Question
Est ce que vous pouvez resoudre ses equations svp ? Merci
A) 3x - 5 = 12
B) 2x - 3 = 4x +1
C) 3 (z - 1) = 2
D) 6/t = 2
E) x / 3 = 7
A) 3x - 5 = 12
B) 2x - 3 = 4x +1
C) 3 (z - 1) = 2
D) 6/t = 2
E) x / 3 = 7
1 Réponse
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1. Réponse Anonyme
3x - 5 = 12
3x = 12 + 5
3x = 17
x 17/3
2x - 3 = 4x + 1
- 3 - 1 = 4x - 2x
- 4 = 2x
- 4/2 = x
- 2 = x
3(z - 1) = 2
3z - 3 = 2
3z = 2 + 3
3z = 5
z = 5/3
6/t = 2
6 = 2t
3 = t
x/3 = 7
x = 7 * 3
x = 21