Question

Problem is attached in the picture.

Answer 1

R U taking a placement test?

Answer 2

No , its a checkpoint.

Answer 3

add 2 to the -1 and the -9 and the middle to get rid of the -2

Answer 4

\[-1.75 \le x \le .25\]

Answer 5

then divide those by 4 to get x alone... all by her little lonesome.. so sad

Answer 6

-9<=4x-2<=-1(+2)
-7<=4x<=1(/4)
-7/4<=x<=1/4

\[x \in[-7/4;1/4]\]