svp c'est pour demain !! merci d'avance ! Réduis A = 8x +3 - (6x + 2) B = (9x + 5) + (-2x + 3) C = (4x - 9) - (2x - 7) A = B = . C =....... D=. E = ...... H= D
Mathématiques
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Question
svp c'est pour demain !! merci d'avance ! Réduis A = 8x +3 - (6x + 2) B = (9x + 5) + (-2x + 3) C = (4x - 9) - (2x - 7) A = B = . C =....... D=. E = ...... H= D = (9x + 5) - 2x + 3 E = (4x - 9) - 2x + 7 H = 8x + 3 - 6x-2
1 Réponse
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1. Réponse inequation
Bonjour,
Réduire:
A = 8x +3 - (6x + 2) = 8x+3-6x-2= 2x+1
B = (9x + 5) + (-2x + 3) = 9x+5-2x+3= 7x+8
C = (4x - 9) - (2x - 7) = 4x-9-2x+7= 2x-2
D = (9x + 5) - 2x + 3 = 9x+5-2x+3= 7x+8
E = (4x - 9) - 2x + 7 = 4x-9-2x+7= 2x-2
H = 8x + 3 - 6x-2= 2x+1