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rezolvati ecuatia: 200-18:[372:(3x)-1]-28=166

Răspuns :

200-18:[372:(3x)-1]-28=166
200-18:[372/3x-1]-28=166
(372-3x)/3x*1/18=(372-3x)/54x
200-(372-3x)/54-28=>
=> 10800-372+3x-1512=8964
3x=8964+1512+372-10800=48
x=16