Solve the equation by the determinant rule: x + y = 3; 3x - 2y = 4.
Added by Rebecca S.
Step 1
Step 1: Write the equations in matrix form |1 1| |x| |3| |3 -2| x |y| = |4| Show more…
Show all steps
Close
Your feedback will help us improve your experience
James Kiss and 92 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Solve each determinant equation for $x$. $$\operatorname{det}\left[\begin{array}{ll}x & 3 \\x & x\end{array}\right]=4$$
Systems and Matrices
Determinants and Cramer's Rule
Use Cramer's rule to solve the system: 2x - y = 3 x + 2y = 4 Evaluate the given determinant after first simplifying the computation by adding appropriate multiples. Given: | 2 -1 | | 1 2 |
Madhur L.
Solve the following system of equations by using determinants. x+4y+z=-3 x-z=1 x+y=2 Find the value of the determinant D for the coefficient matrix of this system of equations. D= (Simplify your answer.)
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Watch the video solution with this free unlock.
EMAIL
PASSWORD