Bonjour je bloque sur mon DM, je sais pas du tout comment faire.
Exercice: Supprimer les parenthèses puis réduire les expressions suivantes.
A= (x+3)+(4x-5)
B= 6-2t-(4t-8)
C= -(8a+3)-4a
D= (3y+7)+(-5y+3)
E= 5z-6-(7-2z)+3z
F= (3-4x)-(-2x+8)
Merci

By: USER5367
27 Agustus 2025 mathematiques 5 minutes
4.5
299 views 299 comments 13 shares

Question

Grade: Education Subject: mathematiques
Bonjour je bloque sur mon DM, je sais pas du tout comment faire.
Exercice: Supprimer les parenthèses puis réduire les expressions suivantes.
A= (x+3)+(4x-5)
B= 6-2t-(4t-8)
C= -(8a+3)-4a
D= (3y+7)+(-5y+3)
E= 5z-6-(7-2z)+3z
F= (3-4x)-(-2x+8)
Merci
Asked by:
299 Viewed 299 Answers

Answer (299)

Best Answer
(81)


A=x+3+4x-5

A=5x-2


B=6-2t-4t+8

B=14-6t

Answered on 27 Agustus 2025
(293)
A= (x+3)+(4x-5) = x+3+4x-5=5x-2

B= 6-2t-(4t-8) = 6-2t-4t+8= -6t+14

C= -(8a+3)-4a = -8a-3-4a= -12a-3

D= (3y+7)+(-5y+3) = 3y+7-5y+3= -2y+10

E= 5z-6-(7-2z)+3z = 5z-6-7+2z+3z=10z-13

F= (3-4x)-(-2x+8) = 3-4x+2x-8 =-2x-5
Answered on 27 Agustus 2025

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