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Jriallant
@Jriallant
May 2019
2
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Bonsoir, je dois résoudre l'équation suivante :
x+(x-2) = -1
pouvez-vous m'aider s'il vous plait ?
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Christine17
x+(x-2) = -1
x+x-2+1=0
2x-1=0
2x=1
x=1/2
0 votes
Thanks 0
jriallant
nous ne devons pas prendre en compte les parenthèses ? merci de votre réponse !
jasmina2004
X+(x-2)=-1
x+x-2=-1
x+x=2-1
2x=1
x=2/1
x=2
0 votes
Thanks 0
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jriallant
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x+x-2+1=0
2x-1=0
2x=1
x=1/2
x+x-2=-1
x+x=2-1
2x=1
x=2/1
x=2