Question Number 217982 by Unhombre last updated on 24/Mar/25
$${Solve} \\ $$$${If}\:\mathrm{4}^{\mathrm{2}^{\mathrm{2}{y}−\mathrm{1}\:} } =\:\mathrm{16}^{\mathrm{4}^{{y}+\mathrm{1}} } \:{and}\:\mathrm{8}^{\mathrm{3}^{\mathrm{2}{x}−\mathrm{1}} } =\:\mathrm{2}^{\mathrm{9}^{\mathrm{2}−{x}} } \\ $$$${what}\:{is}\:\mathrm{2}{x}\:+\:{y}? \\ $$