The simplified inequality is 

Simplifying the expression 
 
Combine like terms on the left side:
![\[4x - 3y \geq 12\]](https://img.qammunity.org/2024/formulas/mathematics/high-school/av0hdyl4oe7hskbf10vv8uus6yahgtonmo.png)
Simplifying the given inequality 
:
Lets Combine Like Terms:
Combine the x-terms on the left side by adding them together:
 x + 3x - 3y 

simplifying this expression back into the original inequality:
![\[ 4x - 3y \geq 12 \]](https://img.qammunity.org/2024/formulas/mathematics/high-school/r1fy695uzwzequx586o46txwk9qn7w47ik.png)
So, the simplified inequality is
