Solve the inequality: 2x - 5 is greater or equal to -x +12. Give your answer as an interval.
2x-5 >= -x +12 add 'x' to both sides of the equation
3x -5 >= +12 add 5 to both sides
3x >= 17
x >= 17/3
[ 17/3 , +inf)
+36916 
