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poulet41
@poulet41
June 2021
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Bonjour je ne comprend pas cette exercice qui peut m’aider svp je suis perdu la
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loubnabarbier2
A) 8x-6+5x+4
A+B = 8x-6=2x
5x+4=9x. Donc 2x+9x=11x
B)8x-6-5x+4
8x-6=2x. 5x+4=9x donc 2x-9x=-11x
C)2A+3B
8x-6=2x 2xx2=4x
5x+4=9x 9xx3=27x
4x+27x=31x
D) 5A-3B
8x-6=2xx5=10x
5x+4=9xx3=27
10x-27=-17x
Voila j'espère t'avoir aider au revoir
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poulet41
Merci beaucoup
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Lista de comentários
A+B = 8x-6=2x
5x+4=9x. Donc 2x+9x=11x
B)8x-6-5x+4
8x-6=2x. 5x+4=9x donc 2x-9x=-11x
C)2A+3B
8x-6=2x 2xx2=4x
5x+4=9x 9xx3=27x
4x+27x=31x
D) 5A-3B
8x-6=2xx5=10x
5x+4=9xx3=27
10x-27=-17x
Voila j'espère t'avoir aider au revoir