Answer:
2 units
Explanation:
ok, so, the line below says HJ is (x+1) units long. therefore:
2x-16+8 = x+1
now, let's isolate the variable.
2x-x = 1+16-8
x = 9
since we now defined variable x, we can add it to the equation that determines the length of HI.
2x-16
2(9)-16
18-16
2
the length of line segment HI is 2 units
hope this helped!