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 ...

Finally, simplify ... The value of a variable can change. Term A number or letter on its own, or numbers and letters multiplied together, such as −2, 3𝑥 or 5𝑎². Expression One or more ...