what is the value of x

Answer: The horizontal value in a pair of coordinates: how far along the point is. The X Coordinate is always written first in an ordered pair of coordinates (x,y), such as (12,5). In this example, the value "12" is the X Coordinate. Also called "Abscissa"
Step-by-step explanation: You didn't really give me more information to answer this but I still hope that this helped! :)
Answer:
x equals 71
Step-by-step explanation:
Remark
All triangles have 180 degrees.
This triangle has 2 equal sides and therefore 2 equal angles.
Equation
x + x + 38 = 180 Combine the like terms on the left.
2x + 38 = 180 Subtract 38 from both sides.
2x + 38 - 38 = 180 - 38
2x = 142 Divide by 2
2x/2 = 142/2
x = 71