There are three significant figures in that.
Subtract 6 n both sides and 6- 252 is your answer....
4x-4=3x+17(vert.opp.angles)
x=21
Given the following points:
Point P: (-4, 3)
Point Q: (9, 14)
To be able to find the midpoint of the line segment, we will be using the following formula:

We get,



Therefore, the midpoint of the line segment is 5/2, 17/2.