Question

Please help ASAP! 50 PTS

Answer 1

`x + 2x+10 = 70\\3x+10 = 70\\3x+10-10 = 70-10\\3x = 60\\3x/3 = 60/3\\x = 20`

Final answer:
`x=20`

Answer 2

x = 20

Explanation:

The sum of the opposite interior angles of a triangle is equal to the exterior angle

x + 2x+10 = 70

Combine like terms

3x+10 = 70

Subtract 10 from each side

3x+10-10 = 70-10

3x = 60

Divide each side by 3

3x/3 = 60/3

x = 20