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Rezolvati:
x-2/3=3x


Răspuns :

(x-2)/3=3x
x-2=3x·3
x-2=9x
x-9x=2
-8x=2
-x=2/8
-x=1/4     inmultim -1
x=-1/4
x=-0,25
[tex]x-\frac{2}{3}=3x |*3\ \textless \ =\ \textgreater \ 3x-2=6x\ \textless \ =\ \textgreater \ -2=3x=\ \textgreater \ x= \frac{-2}{3} [/tex]