victoriaelizabethcli victoriaelizabethcli

26-01-2021
Mathematics

contestada

If 6x+3y=−1 and
5x+y=8 are true equations, what would be the value of
−x−2y?

Respuesta :

micaiahkeintz micaiahkeintz

26-01-2021

Answer: 9

x = 2.778

y = -5.889

-x -2y

= -2.778 - 2(-5.889)

= 9

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