Answer :
9 - 6x = 45
-9 -9
_____________
-6x = 54
x = -9
________________________
So when you plug that answer into x-4 you get -9 -4, which equals -13.
-9 -9
_____________
-6x = 54
x = -9
________________________
So when you plug that answer into x-4 you get -9 -4, which equals -13.