Answer:
the correct one is d
Step-by-step explanation:
so out 9
x = 9
Step-by-step explanation:
5x - 15 + 2x = 4x + 12
7x - 4x = 12 + 15
3x = 27
x = 9
A
Please mark as a brainliest
Answer:
55
Step-by-step explanation:
Divide both sides by 3.14 to get d by itself.
172.7 / 3.14 = 55 = d
The first step you would take would be multiplying 5x2