hiçbir [-] şeyeee değişilmezzz [-] senin sevgin bu dünyadaaaaaa  = -

  [-] + [-] = [-] ----> Even mathematically Fenerbahce gets negative result .

It should be multiplication not addition:

(-) x (-) = (+) 

These two words have same meaning. The only difference is ;

Ummak is pure Turkish word --> to hope ,to expect

[note : some people are using it as Umut etmek which is unnecessary ]

Ümit etmek is Farsi origin word.[it has to be used with turkish word "etmek" as verb]

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Sınavı geçeceğimi umuyorum ---> I am hoping to pass the exam.

Sınavı geçeceğimi ümit ediyorum ---> I am hoping to pass the exam

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Thanks for the clear explanation Tunci.

I wasn´t sure why there was an i on the end of gececegimi.

I know the word Sinav to mean a class, obviously in this context it also means an exam.

It should be multiplication not addition:

(-) x (-) = (+) 

 [-] + [-] = [-]

 Ok. back to maths..when a negative number added onto another negative number as they both are in paranthesis then the result has to be negative.

This multiply thing doesn´t always work.

For example:

Ali´ye değil Veli´ye söyle.

It has a not in it but the sentence is affirmative. More like

0+1=1

Check first if your example is "multiply thing" or an addition.