For r = 8, is the equation 3r + 1 = 27 true?
Note
Substitute r = 8: 3×8+1 = 25, not 27. So the equation is false.
For r = 8, is the equation 3r + 1 = 27 true?
Substitute r = 8: 3×8+1 = 25, not 27. So the equation is false.