Réponse :
Bonjour
a. 6+ (3x − 2) = 6 + 3x - 2 = 3x + 4
b. -4x + (8-3x) = - 4x + 8 - 3x = - 7x + 8
c. 10 (5-3x) = 50 - 30x
d. 8x -(-3 -5x) = 8x + 3 + 5x = 13x + 3
e. 5-(2x+3)×4= 5 - (8x + 12) = 5 - 8x - 12 = - 8x - 7
f. 2x-5(3x+4) = 2x - 15x - 20 = - 13x - 20
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Réponse :
Bonjour
a. 6+ (3x − 2) = 6 + 3x - 2 = 3x + 4
b. -4x + (8-3x) = - 4x + 8 - 3x = - 7x + 8
c. 10 (5-3x) = 50 - 30x
d. 8x -(-3 -5x) = 8x + 3 + 5x = 13x + 3
e. 5-(2x+3)×4= 5 - (8x + 12) = 5 - 8x - 12 = - 8x - 7
f. 2x-5(3x+4) = 2x - 15x - 20 = - 13x - 20