Respuesta :

Step-by-step explanation:

Putting u = 2

-19 = 1 - 5(2)

-19 = 1 - 10

-19 ≠ -9

_______

-19 = 1 - 5(10)

-19 = 1 - 50

-19 ≠ -49

_________

-19 = 1 - 5(-3)

-19 = 1 - (-15)

-19 ≠ 16

_________

-19 = 1 - 5(-5)

-19 = 1 - (-25)

-19 ≠ 26

Hence,

The answer would be

No

No

No

No

faylilly

Answer:

-19=1 - 5u

-20=-5u

u=4

Step-by-step explanation:

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