Question Number 130084 by mohammad17 last updated on 22/Jan/21
Commented by bobhans last updated on 22/Jan/21
$$??? \\ $$
Commented by MJS_new last updated on 22/Jan/21
$$\mathrm{not}\:\mathrm{possible}.\:\mathrm{for}\:\mathrm{Cramer}\:\mathrm{we}\:\mathrm{need}\:{n}\:\mathrm{linear} \\ $$$$\mathrm{equations}\:\mathrm{for}\:{n}\:\mathrm{unknowns} \\ $$