Question

Which matrix represents the system of equations below?
{-2x-7y=3
{7x-6y=12

Answer 1

`\left[\begin{array}{ccc}-2&-7\\7&-6\\\end{array}\right] \left[\begin{array}{ccc}x\\y\\\end{array}\right] = \left[\begin{array}{ccc}3\\12\\\end{array}\right]`