Offering many points!
a. write an equation to find the value of x.
b. show how to solve the equation.
c. find the measure of the smallest interior angle of the triangle.
when answering an extended response question, you can describe how you are going to do the problem and then carry out the steps. for the exercise, begin with the following observation and write a 4-point response.

the largest exterior angle has measure x+8 and the smallest interior angle is a supplement of that angle.