Question 393904
set up your 2x2 matrix

[ 2   -3]  [x] = [-2]
[ 3   -4]  [y] = [ 9]



So you can't divide matrices, so just multiply by the inverse, its the same thing
Its a lot easier to use a calculator here

[A]^-1 [B] 

Your a answer would end up

{{{ x = 35 }}}
{{{ y = 24 }}}