Answer:
$59.85
is your answer
D⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
Step-by-step explanation:
move constant to the right and change the sign
X=12-8
X=4