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Daca (x+3)/(x-2)=1/2 atunci....

Răspuns :

[tex] \frac{x+3}{x-2} = \frac{1}{2} \\ 2(x+3)=x-2 \\ 2x+6=x-2 \\ 2x-x=-2-6 \\ x=-8[/tex]
[x+3]=[x-2]/2
⇒x-2=2[x+3]
⇒x-2=2x+6
⇒x=8+2x
⇒-x=8⇒x=-8∈Z;