VMO 1999 Problem 1

Find all real solutions to (1 + $4^{2x-y}$ )( $5^{y-2x+1}$ ) = $2^{2x-y+1}$ + 1, $y^3$ + 4x + ln( $y^2$ + 2x) + 1 = 0.

Community text Kalva (prase.cz mirror). Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.