Respuesta :

Answer:

9

Step-by-step explanation:

Step 1: Distribute

-1=-x+8

Step 2: Put terms on one side

-1=-x+8

-8     -8

__    __

-9      0

Step 3: Make "x" positive

-9=-x

*-1  *-1

__  __

9     x

9=x

Hope this helps!

-1=-(x-8)
-1=-x+8
-1+x=8
x=8+1
x=9

x is 9