help please

[Mathisreallyhard]

How do I solve this?
Use graphical methods to find values of x and y satisfying the given conditions. Find x is greater than less than 3 and y is greater or then then 5 such that 3x-y (greater than less then) 12, x=y is less than or greater than 15 and 2x+y is minimized.

Thanks!

 

[stapel]

Use graphical methods to find values of x and y satisfying the given conditions. Find x is greater than less than 3 and y is greater or then then 5 such that 3x-y (greater than less then) 12, x=y is less than or greater than 15 and 2x+y is minimized.

How do I solve this?

Use the methods outlined in this reply to your other thread on linear programming.