Finite Math Examples
,
Step 1
Represent the system of equations in matrix format.
Step 2
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 .
Add and .
Step 3
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 .
Add and .
Step 4
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 .
Add and .
Step 5
Remove parentheses.
Move the negative in front of the fraction.
Step 6
Remove parentheses.
Move the negative in front of the fraction.
Step 7
The solution to the system of equations using Cramer's Rule.
Step 8