Answer:
2x+9+3x+16=180
We move all terms to the left:
2x+9+3x+16-(180)=0
We add all the numbers together, and all the variables
5x-155=0
We move all terms containing x to the left, all other terms to the right
5x=155
x=155/5
x=31
Hope that this helped you!!!
- Fatma A.
