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.
c) x should be 99.

Answer 1

b)

Answer 2

plug in for x and see which is true

Answer 3

or just subtract 15 from 33 and divide by three