D A C B

(7x - 9)
4x
What is the equation for determine the angle measures?
(7x - 9) degree + 4x = ____ degree

1 answer

To determine the equation for the angle measures, we add the two expressions together.

(7x - 9) + 4x = ___

Combining like terms, we get:

11x - 9 = ___

So the equation for the angle measures is:

11x - 9 = ___