The first graph.
The equation is x - 1
3
In order to solve it, you need to get x by itself.
Add 1 to both sides. 3+1=4
x 4
Since this is your sign the arrow has to point towards the left, and the circle needs to be colored in.
The equation is x - 1
In order to solve it, you need to get x by itself.
Add 1 to both sides. 3+1=4
x
Since this is your sign