Alphabet Math

That would be me. From Wikipedia: “Elementary algebra differs from arithmetic in the use of abstractions, such as using letters to stand for numbers that are either unknown or allowed to take on many values. For example, in x+2=5 the letter x is unknown, but the law of inverses can be used to discover its value: x=3. In E = mc2, the letters E and m are variables, and the letter c is a constant, the speed of light inRead more