The total cost of a candle holder and 5 candles is $27.50. The candleholder cost $7.50. Use the equation 5x + 7.50 = 27.50 to find x, the cost of one candle.

To solve the equation 5x + 7.50 = 27.50 for x, we can follow these steps:

1. Subtract 7.50 from both sides to isolate the term with x:
5x + 7.50 - 7.50 = 27.50 - 7.50
5x = 20

2. Divide both sides by 5 to solve for x:
5x/5 = 20/5
x = 4

Therefore, the cost of one candle is $4.

To find the cost of one candle, we can solve the equation 5x + 7.50 = 27.50.

Step 1: Start by subtracting 7.50 from both sides of the equation to isolate the term with 5x:
5x + 7.50 - 7.50 = 27.50 - 7.50
5x = 20.00

Step 2: Next, divide both sides of the equation by 5 to solve for x:
5x/5 = 20.00/5
x = 4.00

Therefore, the cost of one candle is $4.00.