You can use the vertical angles theorem to find the value of x.
2x+84=5x 84=3x x=28 Now, since <TSV and >PSV are linear pairs, you can add PSV and TSV. To do this, you have to find the value of PSV. PSV=5x x=28, so PSV = 5(28) PSV=140°. Now, find TSV. 180°-140°=40°
