\(\frac{x}{5}-\frac{5}{2}=-31\)
\(=>\frac{x}{5}=-31+\frac{5}{2}\)
\(\frac{x}{5}=-28,5\)
\(=>x=-28,5\cdot5\)
\(=>x=-142,5\)
Vậy x = -142, 5
\(\frac{x}{5}-\frac{5}{2}=-31\)
\(\Rightarrow\frac{x}{5}-2,5=-31\)
\(\Rightarrow\frac{x}{5}=-31+2,5\)
\(\Rightarrow\frac{x}{5}=-28,5\)
\(\Rightarrow x=-142,5\)
Vậy \(x=-142,5\)