
Solve each system of equations by the matrix method. Round your answers to the nearest tenth when necessary.

To calculate: The values of x and y by the use of the matrix method for the equations,
Answer to Problem 1E
Solution:
The value of x is 4, and the value of y is
Explanation of Solution
Given:
The system of equations is
Formula Used:
Reduce
Calculation:
Consider the equations,
The augmented matrix representation of the equations is,
The above matrix is converted to therow echelon formwith the help of matrix row operations,
Apply
Apply
Apply
As the row echelon form is achieved. Thus, the variables are
And,
Hence, the value of x and y are 4 and
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Chapter B Solutions
Intermediate Algebra (8th Edition)
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