Х-4.1. х+0,8
------- = ----------
2,5. 5
4,1. 8
х- ----- х+------
10. 10
------------ = -------------
25. 5
------
10
10х-4,1. 4
----------- х+-----
10. 5
------------------ = ---------------
5. 5
----
2
5х+4
----------
(10х-41)*2. 5
------------------ =. -----------------
10*5. 5
10х-41. 5х+4
--------- = ---------
5*5. 5*5
10х-41. 5х+4
--------- = ---------
25. 25
10х-41=5х+4
10х-5х=4+41
5х=45
х=9