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What is the unknown factor that makes each of the following statements true?
5-х = ? (х-5)
b-k= ? (k-b)
– 3х +7 = ? (3х – 7)
A. -1/2
B. 1
C. -2
D.-1

Respuesta :

Danboghiu66

Answer:

-1 case D)

Step-by-step explanation:

5-x=-(x-5) so the unknown factor is -1

b-k=-(k-b), again, -1

Similar for third case.

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