Answer:
x=5
Step-by-step explanation:
The meddle line is the average of the top and the bottom
{(2x+1)+ (3x+8)}/2 = 17
Combine like terms
{5x+9}/2 =17
Multiply each side by 2
5x+9 = 34
Subtract 9 from each side
5x+9-9 = 34-9
5x =25
Divide each side by 5
5x/5 = 25/5
x = 5
