Use substitution to determine which number(s) from the set {4, 5, 6} make the equation 7x−6=29 true.
x =
Let's substitute each number from the set {4, 5, 6} into the equation 7x - 6 = 29 one at a time to determine which number(s) make the equation true.
For x = 4:
7(4) - 6 = 29
28 - 6 = 29
22 ≠ 29
For x = 5:
7(5) - 6 = 29
35 - 6 = 29
29 = 29
For x = 6:
7(6) - 6 = 29
42 - 6 = 29
36 ≠ 29
Out of the set {4, 5, 6}, only x = 5 makes the equation 7x - 6 = 29 true.