Question 770383
<pre>
(x,y,z) = (-4,16,-13), and D=-37

By Cramer's rule,

x = {{{D[x]/D}}},  y = {{{D[y]/D}}},  z = {{{D[z]/D}}}


Multiplying them all by D

D<sub>x</sub> = D·x,  D<sub>y</sub> = D·y,  D<sub>z</sub> = D·z

D<sub>x</sub> = (-37)·(-4),  D<sub>y</sub> = (-37)·16,  D<sub>z</sub> = (-37)·(-13)

D<sub>x</sub> = 148,  D<sub>y</sub> = -592,  D<sub>z</sub> = 481  

Edwin</pre>