Question

Find the value of x. 30 POINTS! *URGENT*

Answer 1

`x = 7`

Explanation:

Value of the exterior angle is equal to the addition of the opposite interior angles in a triangle

`19 + 20 = 6x - 3 \\ 39 = 6x - 3 \\ 39 + 3 = 6x \\4 2 = 6x \\ (42)/(6) = (6x)/(6) \\ x = 7`