+33653 what is x=y mean is crazy
Think of x and y as labels that are stuck onto boxes. Inside the box labelled x is a number. Inside the box labelled y is a number. The statement x = y means that the number inside the box labelled x is the same as the number inside the box labelled y. It is often useful to be able to manipulate the labels mathematically without knowing the actual values of the numbers that are inside the boxes.
.
