MynaL87826 MynaL87826

30-10-2022
Mathematics

contestada

I was supposed to simplify - (-a - 1) - (a - 1), I got 2a + 2, and got the answer wrong.

Respuesta :

KrimsonE649902 KrimsonE649902

30-10-2022

Simplify:

[tex]\begin{gathered} (-a-1)-(a-1)= \\ -a-1-a+1= \\ -2a \end{gathered}[/tex]

Answer: -2a

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