Answer:
x = 2
Step-by-step explanation:
Used a scientific calculator.
5x - 7 = 3
Add seven to the minus 7 and 3
Which gives you:
5x = 10
Divide both sides by 5
X = 2
Answer is A
the radius is 5 cubic meters
Answer: x = 4.5
4x + 14 = 32
Subtract 14 from each side
4x = 18
Divide by 4 on each side
x = 4.5