Answer:
8
Step-by-step explanation:
k = 63
k/3 - 9 = 12
isolate variable + 9 both sides
k/3 = 21
multiply both sides by three, therefore
check:
63/3 - 9 = 12
21 - 9 =12
12 = 12
hope this helps!
34.60+12.30=46.90
46.90/100=0.469
0.469*8=$3.75