[tex]\purple{\Large{\boxed{\textsf{Pocedimiento : }}}}[/tex]
[tex]\left(6/7\right)-\left(11/14\right)+\left(-9/14\right)-\left(-4/7\right)[/tex]
[tex]=\frac{6}{7}-\frac{11}{14}+\frac{-9}{14}-\frac{-4}{7}\\\\=\frac{1}{14}+\frac{-9}{14}-\frac{-4}{7}\\\\=-\frac{4}{7}-\frac{-4}{7}\\\\=-\frac{4}{7}-\left(-\frac{4}{7}\right)\\\\=-\frac{4}{7}+\frac{4}{7}\\\\=0[/tex]
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BIEN VEAMOS:
[tex]\purple{\Large{\boxed{\textsf{Pocedimiento : }}}}[/tex]
[tex]\left(6/7\right)-\left(11/14\right)+\left(-9/14\right)-\left(-4/7\right)[/tex]
[tex]=\frac{6}{7}-\frac{11}{14}+\frac{-9}{14}-\frac{-4}{7}\\\\=\frac{1}{14}+\frac{-9}{14}-\frac{-4}{7}\\\\=-\frac{4}{7}-\frac{-4}{7}\\\\=-\frac{4}{7}-\left(-\frac{4}{7}\right)\\\\=-\frac{4}{7}+\frac{4}{7}\\\\=0[/tex]