Answer:
Explanation: As line r and s are parallel it is the same if i would be written as i wrote it in the picture below.
so you can infer that the angles are equal, and also in the picture are many of straight angles, which i also attached my answer!:)
so,
4x-19+3x+16=180
7x= 183
x=183/7 or approximately 26,1
Hope it helps!
