Question

what should be added to twice rational number-4/5 to get 5/10​

Answer 1

Answer:

$2( \frac{ - 4}{5} ) + x = \frac{5}{10}$

$\frac{ - 8}{5} + x = \frac{5}{10}$

$x = \frac{5}{10} + \frac{8}{5}$

$\frac{16 + 5}{10}$

$\frac{21}{10}$

may be it helps you.......

Answer 2

Answer:

ans=-3/10

pls mark it as brainliest...