Answer:
To find the value of the angle formed by the two lines, we need to use the fact that when two parallel lines are cut by a transversal, alternate interior angles are congruent.
So, we can set the expressions for the alternate interior angles equal to each other and solve for x:
13x - 49 = 180 - (7x + 29)
Simplifying and solving for x:
13x - 49 = 151 - 7x
20x = 200
x = 10
Now that we have the value of x, we can substitute it into either expression to find the value of the angle:
13x - 49 = 13(10) - 49 = 81 degrees
So the angle formed by the two lines is 81 degrees.