Given the figure below, find the values of x and z.
(12x - 5)
(13x - 15)
20

Step-by-step explanation:
(12x - 5 )+ ( 13x _15 ) =180
25X = 180 +20=200
X= 8 ⇒
Z= 12X _5
Z= 12 × 8 -5 = 91 ⇒