\(\overline{1,2.}\left(\dfrac{2,4.x-0,23}{x}-0,05\right)=1,44\)
\(\Leftrightarrow\dfrac{2,4.x-0,23}{x}-0,05=1,44:1,2\)
\(\Leftrightarrow\dfrac{2,4.x-0,23}{x}-0,05=1,2\)
\(\Leftrightarrow\dfrac{2,4.x-0,23}{x}=1,2+0,05\)
\(\Leftrightarrow\dfrac{2,4.x-0,23}{x}=1,25\)
`<=> 2,4 .x -0,23 = 1,25 . x`
`<=> 2,4 .x -1,25 . x=0,23`
`<=> (2,4-1,25).x=0,23`
`<=> 1,15 . x= 0,23`
`<=>x=0,23 : 1,15`
`<=>x=0,2`