Why is the Spanish language beautiful?
The Spanish language it has lots of open vowels and NO schwa sounds.
Why is it important to understand basic math before understanding per-algebra, algebra, geometry, and the like?
Math is like a pyramid; every skill requires an understanding of its prerequisite to develop the math skill.
Why all the letters in Algebra?
The letters in Algebra are hidden numbers waiting to be discovered after working out the the number sentence. The letters remind variables to represent any number desired.