Answer:
d+7+3d+5=180
4d+12=180
4d=180-12
4d=168
d=42
Answer: $12
Step-by-step explanation:.72/.06
x=0.55
Step-by-step explanation:
-7x -3x + 2 =8x -8
-10x+2=8x-8
2+8=8x+10x
10=18x
10/18=x
C or A