Solving two-step equations

Solve two-step linear equations such as 3x + 5 = 26 by undoing operations in reverse order and checking by substitution.

⏱ 19 min❓ 11 questions

What you'll be able to do

✔I can describe the operations applied to the variable, in order
✔I can solve two-step equations by undoing the operations in reverse order
✔I can write and solve two-step equations for real-life problems and check my answers

How this works

1Read the short explanations first — they teach you what you need before each question.
2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

11 questions and 1 quick teaching card, including:

🔢Number answer — Work out the answer and type the number.

👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.

Curriculum: AC9M7A04