math

What values for x must be exclued in the following fraction? x + 5/ -1
a) 5 b)none c) 0 d)-5
and how do I find the answer?

if this is (x+5)/-1, no values. if you had a term like 1/(x-s), hten when x was equal to s, that is not allowed (rule: exclude all zero solutions in the denominator).

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