Question

Which value is equivalent to x-7/7-x A) -7 B) -1 C) 1 D) 7

Answer 1

(x-7)/(7-x)  if you factor out -1 from the numerator you get:

-(7-x)/(7-x) which is equal to:

-1

Answer 2

The answer is B, because x-7/7-x will equal the negative version of the number on each end, which divided to -1.