Bonjour,
On cherche l'inconnu/
3(x + 2) = -2
3x+6= -2
3x= -2-6
x= -8/3
3x + 8 = -5(x + 4)
3x= -5x-20-8
3x+5x= -28
8x= - 28
x= -28/8
x= - 7/2
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Bonjour,
On cherche l'inconnu/
3(x + 2) = -2
3x+6= -2
3x= -2-6
x= -8/3
3x + 8 = -5(x + 4)
3x= -5x-20-8
3x+5x= -28
8x= - 28
x= -28/8
x= - 7/2