How do you evaluate $-99+ 137$ ?

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Answer 1 · 2017-06-18T05:21:45

The answer is $38$ .

The simplest way to do this is to change the positions of the numbers keeping the signs preceding them the same:

Thus $-99+137$ becomes $+137-99$ .

Now we subtract $99$ from $137$ .

$137-99=38$

How do you evaluate -99+ 137-99+ 137?