Question

Giúp mik với!mik c.ơn nhìu!

Answer 1

=>-x-7/8=-4/5x10/3=-40/15=-8/3

=>-x=-8/3+7/8=-43/24

hay x=43/24

Answer 2

= 43/24

Answer 3

\(\dfrac{7}{-8}-x=\dfrac{-4}{5}:\dfrac{3}{10}\\ \dfrac{-7}{8}-x=\dfrac{-4}{5}\times\dfrac{10}{3}\\ \dfrac{-7}{8}-x=-\dfrac{8}{3}\\ x=\dfrac{-7}{8}-\dfrac{-8}{3}\\ x=\dfrac{43}{24}\)