-x - 9

You want to get x by itself.
First subtract 9 from both sides of the equation.
-x - 9

+9 +9
-x

Then divide -1 on both sides.
-x/-1

I'm pretty sure when you divide a negative number when solving inequalities, you switch the sign.
x
Answer:
See explanation
Step-by-step explanation:
First, convert this to standard form. By completing the square, you can do the following:


This is a circle with center (-1,-2), and radius 7. It looks like the one I graphed below. Hope this helps!
8n
Hope it helps, good luck
C. multiply the second equation by two. Then add the equations