For b = 3, is the equation 3b + 3 = 12 true?
Note
Substitute b = 3: 3×3+3 = 12. The left side equals the right side, so the equation is true.
For b = 3, is the equation 3b + 3 = 12 true?
Substitute b = 3: 3×3+3 = 12. The left side equals the right side, so the equation is true.