1/2(9x-8)=10x+20+2x please help I will give brainiest for all three (10 points)

Answer:
1. - 16/5 or -3.200
2. No solution.
3. No solution
Step-by-step explanation:
Could I have brainiest please
Answer: X=-2
Step-by-step explanation:
I big brain now give brainliest