Huy Toàn 8A (TL)
03/08/2018 at 13:19-
Mạnh Khôi 03/08/2018 at 16:13\(\dfrac{2x}{5}-0,5x=\dfrac{1-2x}{4}+0,25\)
\(\Leftrightarrow0,4x-0,5x=\dfrac{1-2x}{4}+\dfrac{1}{4}\)
\(\Leftrightarrow-0,1x=\dfrac{2-2x}{4}\)
\(\Leftrightarrow-0,1x.4=2-2x\)
\(\Leftrightarrow-0,4x=2-2x\)
\(\Leftrightarrow-0,4x+2x=2\)
\(\Leftrightarrow1,6x=2\)
\(\Leftrightarrow x=1,25\)
So the value of x is 1 , 25