The eternal struggle of variables! While the English language bullies letters like x, y, z, and q by rarely using them, mathematicians swoop in as unexpected heroes, giving these neglected symbols purpose and meaning. Those letters went from outcasts to superstars overnight! In the mathematical universe, x isn't just some rarely-used letter—it's the rockstar of unknowns, the celebrity of equations, the protagonist in every algebra story ever told. Talk about a glow-up for the underdog characters of the alphabet!