Pre-algebra (Math 1090) enhances students’ basic math skills ... proportional reasoning, evaluating expressions, solving equations, and creating verbal and symbolic rules to model for real world ...

Collecting like terms means to simplify terms in expressions in which the variables are the same. In the expression \(5a + 2b + 3a - 6b\), the terms \(5a\) and \(+ 3a\) are like terms, as are \(2b ...