Normal Sudoku rules apply. From left-to-right or top-to-bottom, digits in cages represent numbers that satisfy the equation
The numbers x, y, and/or z may contain multiple digits.
Example:
f-puzzles
Solution code: 7th and 8th rows
Solved by lsw770770, greyden, Greg, ymhsbmbesitwf, Gryllulus, MonsieurTRISTE, SKORP17, Fw1728, cdwg2000, elshan, AstralSky, Jagga, PippoForte, SSG, Felis_Timon, marcmees, xkbz0809