Clarence solved the equation 3x + 15 = 33 and showed the following work.
3x + 15 = 33
3x + 15 - 15 = 33
3x = 33
3x/3 = 33/3
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.

Question

Clarence solved the equation 3x + 15 = 33 and showed the following work.
3x + 15 = 33
3x + 15 - 15 = 33
3x = 33
3x/3 = 33/3 
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.

parthkohli · Answer

Hint: 
do you think that (3 x 11) + 15 = 33?

anonymous · Answer

Well, the second step is not correct.