Respuesta :

gmany

[tex]5\cdot d=\dfrac{5}{7}\qquad\text{divide both sides by 5}\\\\d=\dfrac{5}{7}:5\\\\d=\dfrac{5}{7}\cdot\dfrac{1}{5}\\\\d=\dfrac{\not5^1}{7}\cdot\dfrac{1}{\not5_1}\\\\d=\dfrac{1}{7}\cdot\dfrac{1}{1}\\\\\boxed{d=\dfrac{1}{7}}[/tex]

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