Respuesta:
A)
[tex]x - \frac{3}{7} = \frac{1}{3} \\ x = \frac{1}{3} + \frac{3}{7} \\ x = \frac{7}{21} + \frac{9}{21} \\ x = \frac{16}{21} [/tex]
B)
[tex]k + \frac{2}{4} = \frac{9}{5} \\ k = \frac{9}{5} - \frac{2}{4} \\ k = \frac{36}{20} - \frac{10}{20} \\ k = \frac{26}{20} = \frac{13}{10} [/tex]
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Respuesta:
A)
[tex]x - \frac{3}{7} = \frac{1}{3} \\ x = \frac{1}{3} + \frac{3}{7} \\ x = \frac{7}{21} + \frac{9}{21} \\ x = \frac{16}{21} [/tex]
B)
[tex]k + \frac{2}{4} = \frac{9}{5} \\ k = \frac{9}{5} - \frac{2}{4} \\ k = \frac{36}{20} - \frac{10}{20} \\ k = \frac{26}{20} = \frac{13}{10} [/tex]