[tex] \frac{x + 2}{5} = \frac{3}{1} [/tex]
[tex]x + 2 = 5 \times 3[/tex]
[tex]x + 2 = 15 [/tex]
[tex]x = 15 - 2[/tex]
[tex]x = 13[/tex]
Răspuns:
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