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1) 2x-1 supra 2 - x+3 supra 6 = x supra 3

Răspuns :

(2X-1)/2-(X+3)/6=X/3
3(2X-1)/6-(X+3)/6=X/3
3(6X-3-X-3)=6X /:3
5X-6=2X
3X=6 /:3
X=2