Question

реши систему: {x-y=0. {x=1/39

Answer 1

$\left \{ {{x-y=o} \atop {x=\frac{1}{39} }} \right. \\\left \{ {{x=y} \atop {x=\frac{1}{39} }} \right. \\\\\left \{ {{y=\frac{1}{39} } \atop {x=\frac{1}{39} }} \right.$