Pregunta: 2x + y + 3z = 1, x + 4y − 2z = −3. plz help

We have the equation $2\mathrm{x}+\mathrm{y}-3\mathrm{z}=1$ .....(1)

$\mathrm{x}+4\mathrm{y}-2\mathrm{z}=-3$ ....(2)

Now subtracting 2 times equat...