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Sagot :

Réponse:

2x-3×(x+1)=1-2x÷2

2x-3×x+(-3)=1-2x÷2

2x-3x-3=1-2x÷2

-1x-3=1-2x÷2

-1x-3-1+2x×2=0

4x-1x-4=0

3x-4=0

3-4=x

-1=x

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