Question

 

−x−5/21=−173/63

Answer 1

\(-x-\dfrac{5}{21}=-\dfrac{173}{63}\)

\(-x=\left(-\dfrac{173}{63}\right)+\dfrac{5}{21}\)

\(-x=-\dfrac{158}{63}\)

\(x=-\left(-\dfrac{158}{63}\right)\)

`=>`\(x=\dfrac{158}{63}\)

Answer 2

\(-x-\dfrac{5}{21}=\dfrac{-173}{63}\)

\(-x=\dfrac{-173}{63}+\dfrac{5}{21}\)

\(-x=-\dfrac{158}{63}\)

\(=>x=\dfrac{158}{63}\)

Answer 3

k đăng lại

Answer 4

Answer 5

`-x-5/21=-173/63`

`=>-x=-173/63+5/21=-158/63`

`=>x=158/63`