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urgeeeeent. ....


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Răspuns :

x-(1/2x+120)=295
x-x/2-120=295
2x-x-240=590
x=590+240
x=830


                           toata lungimea e x
║→→→→→→→→║→→→║→→→→→→→→→→→║
     295            120          295+120

atunci x=295+120+295+120=830