Clarence solved the equation 3 x + 15 = 33 and showed the following work. Did he do the work correctly?
3 x + 15 = 33
3 x + 15 - 15 = 33
3 x = 33
=
x = 11
Which of the following is true?
a. x is 11.
b. x should be 6.
c. x should be 16.
d. x should be 99.
