Answer:
93answer of your question.
Step-by-step explanation:
If <A and <B are vertical Angeles it implies they are equal
: 5x + 2 = 6x - 12
5x - 6x = -12 - 2
-x = - 14
x = 14°
ans:(x=6)
6x+54=90
6x=36
6x/6=36/6
x=6