Question

X=______ Units PIz HeIp

Answer 1

x=21

Explanation:

Tales Theorem:

TW/TU=TV/TS

If TW=x, TU=x+9, TV=14, and TS=14+6=20

Then:

x/x+9=14/20

Cross multiply:

20x=14(x+9)

20x=14x+126

6x=126 / Divide both sides by 6

x=21

Hope this helps!