AgentLina AgentLina

09-04-2017
Mathematics

contestada

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

Respuesta :

09-04-2017

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

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

-1

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ashurrell ashurrell

09-04-2017

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

Answer Link

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