Trevor basket ball scores are represented by system of equations.

Let represented by no of free throws, - point field goals and - point field goals.

The system of equations are  

\ \

Write the equations into matrix form ,

Where is coefficient matrix, is variable matrix and is constant matrix.

Definition of inverse matrix :

If is an then , where . 

Let , then .

, then has an inverse.

Cofactor of  is

Cofactor of

.

Find .

.

The inverse of the is  

.

Rewrite the equation.

Find .

.

Trevor scores free of throws , - point field goals and - point field goals .

Trevor scores free of throws , - point field goals and - point field goals .