## Algebra and Trigonometry 10th Edition

$x=-4$ $y=23$
Two matrices are equal only if the values in the same position are equal. That is, if $A=B$, $a_{11}=b_{11}, a_{12}=b_{12},a_{21}=b_{21},...,a_{ij}=b_{ij}$ $x=-4$ $y=23$