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a fost răspuns

X-3 supra 3 - x supra 2 = - 2
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Răspuns :

[tex] \frac{x-3}{3} - \frac{x}{2}=-2 \\ \frac{x-3}{3} - \frac{x}{2}+2=0 \\ \frac{2(x-3)-3x+12}{6}=0 \\ \frac{2x-6-3x+12}{6}=0 \\ \frac{6-x}{6}=0 \\ 6-x=0 \\ -x=-6 \\ x=6 [/tex]
S={6}