Verified answer

Explicação passo-a-passo:

[tex]( \frac{2}{7} + 6) \div ( \frac{8}{6} - \frac{9}{12} ) = ( \frac{2 + 42}{7} ) \div ( \frac{16 - 9}{12} ) = \frac{44}{7} \div \frac{7}{12} = \frac{44 }{7} \times \frac{12}{7} = \frac{528}{49} [/tex]