Answer:
x=5
z=175
Explanation:
(8x+36)=(5x+51) the angles are congruent therefore the equality
simply solve the equation by gathering like terms and simplifying:
8x-5x=51-36
3x=15
x=5
for z:
the angle of a straight line is 180, to determine the angle z we just subtract 5 from 180 thus z=180-5=175