Answer:
1. x=-2
2. 4(-2)+1=3 ---> -8+1=3 ---> -7=3 ---> this is not a correct answer
3. x= .5 (or 1/2)
4. 4(1/2)+1=3 ---> 2+1=3 ---> 3=3 ---> this is a correct answer
5. Sometimes true
6. No, because if you use any other numbers for x, then the left side won't equal the right side
