Algebra is used in Maths when we do not know ... We have to include their first month as x = 0, so their 2nd month will be x = 1. Now we know x = 1, we can substitute it into y = 12 + 8x.

In algebra, letters are used to stand for values that can change (variables) or for values that are not known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...

This article was originally published in El Paso Matters. El Paso Independent School District middle schoolers will be ...