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a fost răspuns

4 pe 5 =3z-2 pe9am nevoie de ajutor rapid!!!!!!!!!!|!

Răspuns :

[tex] \frac{3}{5} = \frac{3z-2}{9} =\ \textgreater \ 3z-2= \frac{9*3}{5}=\ \textgreater \ 3z-2= \frac{27}{5} \\ ~~~~~~~~~~~~~=\ \textgreater \ 3z-2=5,4(rotunjim~si~e~5)\\ ~~~~~~~~~~~~~=\ \textgreater \ 3z=5-2\\ ~~~~~~~~~~~~~=\ \textgreater \ 3z=3\\ ~~~~~~~~~~~~~=\ \textgreater \ z=3:3\\ ~~~~~~~~~~~~~=\ \textgreater \ z=1[/tex]

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