题目

   UK summers do not mean guaranteed fine weather, but rain or shine，for youug people it's time to head outdoors and enjoy some great music.     Summer music festivals arc a much — loved tradition in the UK and hundreds are now held yearly. Whatever your musical taste, there is something for you - from peaceful folk festivals in country fields to giant global gatherings in city parks and  rock festivals held in the grounds of stately homes. More and more local organizers are getting in on the act, too, with small towns and even villages  staging their own events. Here is  已知（2x-1）+i=y-（3-y）i，其中x，y∈R，求x=5252．