aw yis
take the coefients and put them in rows
[tex] \left[\begin{array}{ccc}4&5&|-7\\3&-6&|24\end{array}\right] [/tex]
divide 2nd row by 3
[tex] \left[\begin{array}{ccc}4&5&|-7\\1&-2&|8\end{array}\right] [/tex]
multiply 2nd row by -4 and add to top one
[tex] \left[\begin{array}{ccc}0&13&|-39\\1&-2&|8\end{array}\right] [/tex]
divide top row by 13
[tex] \left[\begin{array}{ccc}0&1&|-3\\1&-2&|8\end{array}\right] [/tex]
multiply top row by 2 and add to bottom row
[tex] \left[\begin{array}{ccc}0&1&|-3\\1&0&|2\end{array}\right] [/tex]
x=2
y=-3
