# Finite Math Examples

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Move to the left side of the equation because it contains a variable.

Move to the left side of the equation because it contains a variable.

Move to the right side of the equation because it does not contain a variable.

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 the parentheses from the numerator.

Move the negative in front of the fraction.

Remove the parentheses from the numerator.

Move the negative in front of the fraction.

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