Answer:
Equation 1 x=-16
Equation 2 m=-3
Step-by-step explanation:
Equation 1
3x-x=-24-6
2x=-32
x=-32/2
x=-16
Equation 2
-2m=16-10
-2m=6
m=6/-2
m=-3
To solve, simply do this:

Then you'll get the answer, -7/16
The length is 10
i showed my steps on the picture attached
hope this helps :)
The vertex is (2,-1). Thats your answer.