Answer:
x=35
Explanation:
The three angles of a triangle add to 180 degrees
30+85 + 2x-5 = 180
Combine like terms
110 +2x = 180
Subtract 110 from each side
110-110 +2x = 180-110
2x = 70
Divide by 2
2x/2 =70/2
x = 35
9.5m questions
12.2m answers