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Sagot :

TOMMUS

Réponse :

[tex]\frac{3}{2} x+3=x-7\\\frac{3}{2} x-x=-7-3\\\frac{3}{2} x-\frac{2}{2} x=-10\\\frac{1}{2} x=-10\\2\times \frac{1}{2}x=2 \times (-10 )\\x=-20[/tex]

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