Firstly, write the equation as a function machine. Then, find the inverse of each step. This means turning multiplications into divisions and subtractions into additions.

There exists an extensive range of research looking at the teaching and learning of linear equations, resulting in many papers highlighting a range of teaching approaches and illustrating a variety of ...

Firstly, write the equation as a number machine. Then, find the inverse of each step. This means turning multiplications into divisions and subtractions into additions.