Answer:
x=_5
Step-by-step explanation:
(2x+10)=(x+5)
(x+10)=5
×=-5
(2x +10)° + (x + 5)° = 180° ( sum of consecutive interior angles is supplementary)
=> 2x + 10 + x + 5 = 180
=> 3x + 15 = 180
=> 3x = 180 – 15
=> 3x = 165
=> x = 165/3
=> x = 55°
