Hiya!
1.) 9x-4
2.) -13a-8
3.) 6x+12
4.) -5y+2
5.) -15n-5
6.) 1 1/2-2y-14
I encourage you to double check my answers! This can all be done by adding together like terms, ie, variables, integers, etc.
If you found this especially helpful, I'd appreciate if you'd vote me Brainliest for your answer. I want to be able to assist more users one-on-one! :)
