Giải thích các bước giải:
(`3/4`.x+2`1/2`). `–2/3`=`1/8`
=>`3/4`.x+`5/2` = `1/8` : `-2/3` = `-3.16`
=>`3/4`.x = `-3/16` - `5/2` = `-43/16`
=>x = `-43/16` : `3/4` = `43/12`
`1/3`.x-0,5.x=0,75
=>x . (`1/3`-`1/2`) = `3/4`
=>x . `-1/6` = `3/4`
=>x = `3/4` : `-1/6`
=>x = `-9/2`