Answer:
a=19
Step-by-step explanation:
First we have to distribute the parenthesis; multiply (a+5) by 1/3
8=1/3*a+1/3*5
Now we just solve the equation regularly
8=1/3a+5/3
8-5/3=1/3a
6 1/3=1/3a
a=19
The answer would be 60 hope this helps

because it's a linear function.
For sketching a graph sketch on the line a trapezoid missing the bottom and the graph is continuous.