Question 195765
{{{x + 2y = 6}}}
{{{3x + 4y = 2}}}

[A]{{{matrix( 2, 2, 1, 2, 3, 4 )}}} [B]{{{matrix( 2, 1, 6, 2)}}}
[A]^-1{{{matrix( 2, 2, -2, 1, 3/2, -1/2 )}}} [B]{{{matrix( 2, 1, 6, 2)}}}={{{matrix( 2, 1, 10, 26)}}}