Use substitution to determine which number from the set {6, 7, 8} makes the equation 54÷x=9 true.(1 point)

x=__

1 answer

Replace x with each number from the set {6, 7, 8} one at a time and solve the equation:

1. If x = 6:
54 ÷ 6 = 9
9 = 9

2. If x = 7:
54 ÷ 7 ≈ 7.71
7.71 ≠ 9

3. If x = 8:
54 ÷ 8 = 6.75
6.75 ≠ 9

Therefore, the number from the set {6, 7, 8} that makes the equation true is x = 6.