Use substitution to determine which numbers from the set 9, 12, 14 make the equation 6x = 72 true
To use substitution to determine which numbers from the set 9, 12, 14 make the equation 6x = 72 true, we will plug in each number from the set into the equation and see if the equation holds true.
1. Substitute 9 into the equation: 6(9) = 54. Since 54 is not equal to 72, 9 does not make the equation true.
2. Substitute 12 into the equation: 6(12) = 72. Since 72 is equal to 72, 12 makes the equation true.
3. Substitute 14 into the equation: 6(14) = 84. Since 84 is not equal to 72, 14 does not make the equation true.
Therefore, the number that makes the equation 6x = 72 true from the set 9, 12, 14 is 12.