Answer:
u = 48
Step-by-step explanation:
Since VY is a midsegment then it is one half the length of WX, that is
WX = 2VY, thus
u = 2(u - 24) ← distribute
u = 2u - 48 ( subtract u from both sides )
0 = u - 48 ( add 48 to both sides )
48 = u
