Answer:
VW = 7
Step-by-step explanation:
Because it is a parallelogram, UX = VW
x-4 = 2x - 15
11 = x
VW = 2 x 11 - 15
VW = 7
Rules for adding: if the bases are the same you can add them, and subtracting happens in a fraction
5/7 ÷ 1/3 = 5/7 × 3/1 = 15/7