`c) (4 1/11 - 3x) . 2 1/5 = -4 1/5`
`=> (45/11 - 3x) . 11/5 = -21/5`
`=> 45/11 - 3x = -21/5 : 11/5`
`=> 45/11 - 3x = -21/11`
`=> 3x = 45/11 - (-21/11)`
`=> 3x = 6`
`=> x = 6 : 3`
`=> x = 2`
``
`d) |x - 3| = 2,5`
`=>` \(\left[ \begin{array}{l}x - 3 = 2,5\\x - 3 = -2,5\end{array} \right.\) `=>` \(\left[ \begin{array}{l}x = 2,5 + 3\\x = -2,5 + 3\end{array} \right.\) `=>` \(\left[ \begin{array}{l}x = 5,5\\x = 0,5 \end{array} \right.\)
