18x - 16 = -12x - 4 ---> Add 12x to both sides
30x - 16 = -4 ---> Add 16 to both sides
30x = 12 ---> Divide both sides by 30
x = 0.4
Step-by-step explanation:
you may need to show what the graphs look like.
Adjacent angles are angles that are next to each other and share a common vertex and a common side.
