Question

-5/21 multipiled to get -8/7
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Answer 1

$\frac{-5}{21} \times x = \frac{-8}{7}$

$x=\frac{\frac{-8}{7} }{\frac{-5}{21} }$

$x=\frac{-8}{7} \times \frac{-21}{5}$

$x=\frac{168}{35}$

$x=\frac{24}{5}$

$x=4\frac{4}{5}$