-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
Its 5/9 divide by five<span />
The angle of depression is
tan^-1 3/7 = 23.2 deg
Answer:
28
Step-by-step explanation:
f(n)=34, f(n-6)=34-6
=28
Answer:
line 3
Step-by-step explanation: