First thing we need to do is find the inside angle at point L. Simply take the outside angle of 134 and subtract it from 180. 180-134 = 46. We then do the same for point M. 180-84 = 96. Finally, we add these together then subtract the sum from 360. 46+96 = 142. 360 - 142 = 218. The value of x is 218. Hope this helps!
