What is the value of x? Enter your answer in the box.
units
Triangle F J S with line segment D Y parallel to segment F S with D between F and J and Y between S and J. F D equals x. D J equals 50. S Y equals 63. Y J equals 42.

Four triangles are given. Triangle A B C, triangle D E F, triangle G H I, and triangle J K L. Angle A is 20 degrees. Angle B is 80 degrees. Angle D is 18 degrees. Angle E is 80 degrees. Angle G is 20 degrees. Angle H is 70 degrees. Angle K is 80 degrees. Angle L is 80 degrees.

A triangle with vertices A, B, and C. Segment D E is inside the triangle with point D on side A B and point E on side B C. A D is 15 centimeters, D B is 10 centimeters, B E is 16 centimeters, and E C is 24 centimeters.
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