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Aflati x
[(x+2013)x2013-2013}:2013=2014.


Răspuns :

2013x+4052169-2013=2014x2013
2013x+4050156=4054182
2013x=4054182-4050156
x=4026:2013
x=2
[(x+2013)·2013-2013]:2013=2014
 (x+2013)·2013 -2013 = 2014 · 2013
 (x+2013)·2013-2013 = 4054182
(x+2013)·2013 = 4054182 + 2013
(x+2013)·2013 = 4056195
x+2013 = 4056195 : 2013
x+2013 = 2015
x = 2015- 2013
x=2