[tex]\text{To find x. find the other angle in the inner triangle}\\\\\text{We know that a triangle equals 180 degrees, so subtract 73 and 67 from}\\\text{180}\\\\180-67-73=40\\\\\text{Now, we know that the missing inner angle is 40 degrees, but we're}\\\text{trying to find what x is}\\\\\text{To find x, we would subtract 40 from 180 because that whole line represents}\\\text{180 degrees}\\\\180-40\\\\\boxed{\text{x = 140 degrees}}[/tex]
