# Finite Math Examples

,

Subtract from both sides of the equation.

Subtract from both sides of the equation.

Subtract from both sides of the equation.

Represent the system of equations in matrix format.

These are both valid notations for the determinant of a matrix.

The determinant of a matrix can be found using the formula .

Simplify the determinant.

Simplify each term.

Multiply by .

Multiply by .

Subtract from .

These are both valid notations for the determinant of a matrix.

The determinant of a matrix can be found using the formula .

Simplify the determinant.

Simplify each term.

Multiply by .

Multiply by .

Subtract from .

These are both valid notations for the determinant of a matrix.

The determinant of a matrix can be found using the formula .

Simplify the determinant.

Simplify each term.

Multiply by .

Multiply by .

Subtract from .

Remove parentheses.

Dividing two negative values results in a positive value.

Remove parentheses.

Dividing two negative values results in a positive value.

The solution to the system of equations using Cramer's Rule.