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Cum rezolv a-3 supra 6 = 1 supra 3 . multumesc

Răspuns :

[tex] \frac{a-3}{6} = \frac{1}{3}=\ \textgreater \ a-3= \frac{6*1}{3} =\ \textgreater \ a-3= \frac{6}{3} \\\\ =\ \textgreater \ a-3=2\\ =\ \textgreater \ a=3+2\\ =\ \textgreater \ a=5[/tex]
a-3supra6=1supra3
3(a-3)=6
3a-9=6
3a=6+9
3a=15
a=5