Решите уравнение: [tex] \frac{4}{5} [/tex]·[tex]2y[/tex]=[tex] \frac{2}{5}x-1[/tex]
Варианты ответа:
1) 5
2) -5
3) [tex] \frac{6}{5} [/tex]
4) [tex]- \frac{6}{5} [/tex]
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