Solve Using an Inverse Matrix two x plus y equals minus two , x plus two y equals two

Solve Using an Inverse Matrix 2x+y=-2 , x+2y=2
,
Find the from the system of equations.
Find the inverse of the coefficient matrix of .
The inverse of a matrix can be found using the formula where is the determinant of .
If then
The determinant of is .
These are both valid notations for the determinant of a matrix.
The determinant of a matrix can be found using the formula .
Clarify the determinant.
Clarify each term.
Initially, First, multiply by .
Multiply by .
Subtract from .
Substitute the known values into the formula for the inverse of a matrix.
Clarify each element of the matrix .
Rearrange .
Rearrange .
Multiply by each element of the matrix.
Simplify each element of the matrix .
Rearrange .
Rearrange .
Rearrange .
Rearrange .
Left multiply both sides of the matrix equation by the inverse matrix .
Any matrix multiplied by its inverse is equal to all the time. . .
Clarify the right side of the equation.
Multiply each row in the first matrix by each column in the second matrix .
Simplify each element of the matrix by multiplying out all the expressions.
The equation after simplifying the right and left side of the equation is .
Find the solution.
Do you need help with solving Solve Using an Inverse Matrix 2x+y=-2 , x+2y=2? We can help you. You can write to our math experts in our application. The best solution for you is above on this page.