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 = ___
D A C B
(7x - 9)
4x
What is the equation for determine the angle measures?
(7x - 9) degree + 4x = ____ degree
1 answer