Answer:
x = 4
Step-by-step explanation:
SU is midsegment of ΔTVW, SU // WV TS = SW TW = 2 TS
ΔTSU similar to ΔTWV
SU / VW = TS / TW
(x - 2) / x = 1 / 2
x = 2 ( x - 2)
x = 2x - 4