![\left[\begin{array}{c}x&y\end{array}\right] = \left[\begin{array}{cc}-4&1\\3&2\end{array}\right]^{-1}\left[\begin{array}{c}9&7\end{array}\right]=\dfrac{1}{11}\left[\begin{array}{cc}-2&1\\3&4\end{array}\right]\left[\begin{array}{c}9&7\end{array}\right]=\left[\begin{array}{c}-1&5\end{array}\right]](/tpl/images/0425/3942/e254f.png)
juan solves the system of equations by forming a matrix equation.
−4x+y=9
Mathematics, 19.12.2019 03:31 damonsmith201615
30
juan solves the system of equations by forming a matrix equation.
−4x+y=9
3x+2y=7
he multiplies the left side of the coefficient matrix by the inverse matrix.
how does he proceed to the solution?
Answers: 1
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juan solves the system of equations by forming a matrix equation.
−4x+y=9
juan solves the system of equations by forming a matrix equation.
−4x+y=9
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