Divide 6 by -8 to get the variable alone!
6/-8 < division< equation
The most important thing that you have to know is that all angles in a triangle equals 180°
I think its like if you got 80% on a quiz and 20% on the exam then your grade would be 60% which is usually a F
Answer:

Explanation:
The equation is:

and

<u>1. Subsittute n = 6 into the equation:</u>

Now subsititute the known values:

You can solve for 

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<u>2. Substitute n = 5 into the equation:</u>

Substitute the known values and solve for 

<u>3. Substitute n = 4 into the equation, subsitute the known values and solve for </u>
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