Answer:
14
Explanation:
To find TV you must add the length of TU (6) by the length of UV (4x) to find x to find the length of TV(7x).
6+4x=7x
Do inverse operations to solve for x.
6=3x
x=2
Now that we know x is 2, we must substitute 2 in for the x in the equation for TV (7x).
7 × 2 = 14
TU = 14