3+3x3-3+3=

- All categories
- Pre-Algebra Answers (11,786)
- Algebra 1 Answers (23,990)
- Algebra 2 Answers (9,933)
- Geometry Answers (4,778)
- Trigonometry Answers (2,434)
- Calculus Answers (5,462)
- Statistics Answers (2,796)
- Word Problem Answers (8,973)
- Other Math Topics (4,921)

3+3x3-3+3 = 3+9-3+3

Then add and subtract left to right

3+9-3+9 = 12

...