the sum of twelve ans a number is no greater than the sum of twice the number and -8

Answer 1

Wow ... 10 posts in under 14 minutes! You must be taking a test or something.

Please understand that tutors won't do your work for you. You need to indicate exactly what you have done to solve each problem and where you're running into trouble.

Answer 2

x+12 <= 2x + (-8)
now go for it

Answer 3

X+12<=2x+(-8)