It would be -2.449489743 or 2 and 11 25th in fraction
If you add 5x to 2x+2 you will get 7x+2. You would set this equation equal to 80, so it would be 7x+2=80. When you solve this you will get 11.1428571429, which can be rounded to 11, 11.1, or 11.14, whichever you prefer.
im not sure how to explain it, but i know its b
