PLEASE HELP ME I DON'T UNDERSTAND IT 20 PINTS AND BRAINLIEST ASAPPP

Answer:
x=27
Step-by-step explanation:
The two angles are vertical angles, which means they are equal
4x+7 = 5(x-4)
Distribute the 5
4x+7 = 5x-20
Subtract 4x from each side
4x+7 -4x = 5x-4x -20
7 = x-20
Add 20 to each side
7+20 =x-20+20
27 = x