Cramer's rule/Linear system/2 4 3/1 5 7/3 5 2/Is 3 3 4/Exercise

Solve the linear system (over ${}\mathbb {Q}$)

${\begin{matrix}2y&+4z&+3&=&3\\y&+5z&+7&=&3\\3y&+5z&+2&=&4\,.\end{matrix}}$

using Cramer's rule.

Create a solution