Katherine P. answered 03/06/13
Positive, Effective, and Experienced Math Tutor
Nice job starting this problems, Ashley!
12 + x + 2 + 2x is the same as 14 + 3x
If you're trying to simplify the problem, you're done!
You could graph this binomial and you'll get a line with a y-intercept of 14 and a slope of 3.
Hope this helps!