(2x - 5)° + 45° = 180°
2x° + (-5 + 45)° = 180°
2x° + 40° = 180°
2x° = 180° - 40°
2x° = 140°
x° = 140 ÷ 2
x° = 70°
So, the value of x is 70°
Hope it helps and is useful :)
Answer:
x=70
Step-by-step explanation:
2x-5+45=180
2x+40=180
2x=140
x=140/2
