Question Number 60705 by behi83417@gmail.com last updated on 24/May/19
Answered by MJS last updated on 25/May/19
$$\mathrm{the}\:\mathrm{only}\:\mathrm{solution}\:\mathrm{is}\:{x}={y}=\mathrm{1} \\ $$
Commented by behi83417@gmail.com last updated on 25/May/19
$$\mathrm{thank}\:\mathrm{you}\:\mathrm{sir}\:\mathrm{MJS}. \\ $$$$\mathrm{any}\:\mathrm{working}? \\ $$